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The Downfall of the 1000 SDI ???


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#31 Daag44

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Posted 30 July 2017 - 01:10 AM

but the 809 was great motor in its time but no comparison to technology of the set ups they have now. And the way the 809 sounds is music too my ears.


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Music to my ears too, and I still have it :) Thanks to the RT, 800RE and this forum I know better than before how clearances work from the pistons to the crank bearings, and the purpose of the Isoflex grease. Heck the 809 was the first engine that got one Isoflex filled crank bearing. I was looking at the technology from the porting to the cooling passages in the head and she looked good to me. She is fast stock with the good clutching, and when tuned for 0.2 Hp per cc she delivers an impressive 160 Hp! A perfect lake queen imo. For a regular trail sled, not so much without Fuel Compensation for Air Density and without Knock Protection. Then again I set them up for -20C @ Sea Level and I usually don't ride when it's any colder.


Air/Fuel Ratio for two and four strokes
Air/Fuel Ratio for 1200 with boost
Air/Fuel Ratio is measured through emissions
Wideband and EGT
Wideband readings of Air/Fuel Ratio on a two stroke
600 SDI MY2004 Lean/Hot spot running 6900-7000 rpm @ 40-45% Throttle Opening
800R Cranking Compression
800R Oil Injection / Premix combo
800R P-TEK Electrical Troubleshooting #1 and #2 
800R Turbo
850 Center Oil line for coolant pump melted
850 Main Oil line caught fire #1 and #2
900 ACE Turbo - muffler turning red hot
1200 4-TEC Mapping
1200 4-TEC MY 2009 to 2011 Fuel Line issues that could cause a fire
Batteries
Belt Blowers: Overview of UPMICHIGANDER's and Ronn's experience
BUDS 3.3.0 won't connect to SDI
BUDS not connecting to HO or SDI - Try a CanDoo
Crankshaft runout - maximum allowable specs 
CVT efficiency - BlueMax
Deep snow intake for XP chassis
Electrical - ECM drivers for Ignition Coils and E-TEC injectors 
Electrical - Diagnoses of a failed ECM
Electrical - 30A Battery Charging Fuse Socket Diagnoses and Relay
Electrical - Relay Coil Wine
Electrical - Relay Testing
Electrical - Battery Charging Relay Diagnostic 
Electrical - Troubleshooting with BRP video 
Electrical - Solder vs Crimp
Electrical - Diagram for Fanners on page 3
Engine Break-In 
Engine Weight 
E-TEC 600HO Clutching
E-TEC Oil Pump
E-TEC Dial-A-Jet
E-TEC Electric Start troubleshooting
E-TEC Engine Management
E-TEC eRAVE position code recurring
E-TEC Stator fault codes P1562 or P1563
E-TEC Capacitor Charge Hold Test and Residual Voltage Test
E-TEC Voltage Rectifier Regulator troubleshooting
E-TEC Power Fades are not normal and can be fixed
Fuel Issues: Could new Ester type oxygenated additives be deteriorating the Fuel Sender Grommet?
Fuel pump and regulator replacement for ACE, E-TEC and SDI
Gasoline quality and storage
Bad Gas for a Two Stroke - Is it a Myth ?
GNR CVT Alignment for the G4
Grip N Rip Clutch Alignment testing
G4 Clutch Alignment, Engine Movement, Sheave Runout and Clutching
G4 850 Throttle Jerkiness solved with clutching
G4 850 Snappy throttle/clutch engagement
G4 850 pDrive tech - A question of Engineering
G4 Steering
G4 850 Tuned Pipe @ 12.6 lbs and Muffler @ 15.4 lbs vs 800R and 800RE muffler weight
Longevity - 800R E-TEC 
Mikuni o-ring for carb float assembly - Arctic Cat part# 6505-875 or from Amazon and eBay
Muffler Red Hot
Off-trail riding for flatlanders
Oil versus Fuel consumption
Pictures - How to resize and upload to DooTalk
Pictures - How to post with the correct orientation
Pipe Pressure testing on a dyno
Pipe Pressure testing from LRD (#1) and (#2)
Pipe Pressure testing results from BRP
Power Loss - How to diagnose in the field
Power at the Crankshaft vs Track - BlueMax
Power Curves: 600 HOE (E-TEC)
Power Curves: 600 vs 800 vs 850 vs 1000 vs 1200
Power Curves: 1000 vs 800 vs 600
Power curves: 800RE 2010.5 to 2016 vs 2016.5 850
Quebec/NY State border crossing
REV Gen1 Gauge Display stuck on "SCALE"
REV Gen1 Volt and Temp Gauge install
REV Gen1 electrical connectors for sensors and MPEM (Multi Purpose Engine Module)
Seafoam for E-TEC injectors
Shortblock or Rebuild?
Ski-Doo Snowmobile Tech Training
Spark Plugs cracked
Squish - The limit
Squish - A discussion on head design
Stator and Relay Diagnostic 
Stator testing for E-TEC using a T harness/Bridge
Stator testing for 1200 4-TEC
Stator Removal on page 3
Stator replacement for a 1200 4-TEC
Suspension Adjustment
Triples - Coolant Pump Assembly
Y-Pipe bolts loosening fix


#32 mjmachz

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Posted 30 July 2017 - 08:09 AM

Great thread, DAAG.  I still have my '06 (as well as a 2000 809 I just picked up and the "Frankenstein project" I am building - 1995 MXZ chassis with the 780 motor being pulled from the sad 1994 Mach Z ditch pig I just acquired
(Body trashed).  So I'll have 2 Mach Z's and an "MXZ Super Dooper X".)

 

Getting the '06 program re-flashed on mine this fall.  In reading this it sounds like they made some code changes in the 2007 ECM code.  Hoping that will get rid of my fouling plugs issue.  I really like the sled and this is the only complaint I have with it really.



#33 Daag44

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Posted 30 July 2017 - 10:23 AM

MjMachZ, I always like those Frankenstein projects! Sounds like you're working quite the collection. 2007 reflash should work good. If it still fouls plugs then something is messing with the Air/Fuel ratio or the spark isn't strong enough.


Air/Fuel Ratio for two and four strokes
Air/Fuel Ratio for 1200 with boost
Air/Fuel Ratio is measured through emissions
Wideband and EGT
Wideband readings of Air/Fuel Ratio on a two stroke
600 SDI MY2004 Lean/Hot spot running 6900-7000 rpm @ 40-45% Throttle Opening
800R Cranking Compression
800R Oil Injection / Premix combo
800R P-TEK Electrical Troubleshooting #1 and #2 
800R Turbo
850 Center Oil line for coolant pump melted
850 Main Oil line caught fire #1 and #2
900 ACE Turbo - muffler turning red hot
1200 4-TEC Mapping
1200 4-TEC MY 2009 to 2011 Fuel Line issues that could cause a fire
Batteries
Belt Blowers: Overview of UPMICHIGANDER's and Ronn's experience
BUDS 3.3.0 won't connect to SDI
BUDS not connecting to HO or SDI - Try a CanDoo
Crankshaft runout - maximum allowable specs 
CVT efficiency - BlueMax
Deep snow intake for XP chassis
Electrical - ECM drivers for Ignition Coils and E-TEC injectors 
Electrical - Diagnoses of a failed ECM
Electrical - 30A Battery Charging Fuse Socket Diagnoses and Relay
Electrical - Relay Coil Wine
Electrical - Relay Testing
Electrical - Battery Charging Relay Diagnostic 
Electrical - Troubleshooting with BRP video 
Electrical - Solder vs Crimp
Electrical - Diagram for Fanners on page 3
Engine Break-In 
Engine Weight 
E-TEC 600HO Clutching
E-TEC Oil Pump
E-TEC Dial-A-Jet
E-TEC Electric Start troubleshooting
E-TEC Engine Management
E-TEC eRAVE position code recurring
E-TEC Stator fault codes P1562 or P1563
E-TEC Capacitor Charge Hold Test and Residual Voltage Test
E-TEC Voltage Rectifier Regulator troubleshooting
E-TEC Power Fades are not normal and can be fixed
Fuel Issues: Could new Ester type oxygenated additives be deteriorating the Fuel Sender Grommet?
Fuel pump and regulator replacement for ACE, E-TEC and SDI
Gasoline quality and storage
Bad Gas for a Two Stroke - Is it a Myth ?
GNR CVT Alignment for the G4
Grip N Rip Clutch Alignment testing
G4 Clutch Alignment, Engine Movement, Sheave Runout and Clutching
G4 850 Throttle Jerkiness solved with clutching
G4 850 Snappy throttle/clutch engagement
G4 850 pDrive tech - A question of Engineering
G4 Steering
G4 850 Tuned Pipe @ 12.6 lbs and Muffler @ 15.4 lbs vs 800R and 800RE muffler weight
Longevity - 800R E-TEC 
Mikuni o-ring for carb float assembly - Arctic Cat part# 6505-875 or from Amazon and eBay
Muffler Red Hot
Off-trail riding for flatlanders
Oil versus Fuel consumption
Pictures - How to resize and upload to DooTalk
Pictures - How to post with the correct orientation
Pipe Pressure testing on a dyno
Pipe Pressure testing from LRD (#1) and (#2)
Pipe Pressure testing results from BRP
Power Loss - How to diagnose in the field
Power at the Crankshaft vs Track - BlueMax
Power Curves: 600 HOE (E-TEC)
Power Curves: 600 vs 800 vs 850 vs 1000 vs 1200
Power Curves: 1000 vs 800 vs 600
Power curves: 800RE 2010.5 to 2016 vs 2016.5 850
Quebec/NY State border crossing
REV Gen1 Gauge Display stuck on "SCALE"
REV Gen1 Volt and Temp Gauge install
REV Gen1 electrical connectors for sensors and MPEM (Multi Purpose Engine Module)
Seafoam for E-TEC injectors
Shortblock or Rebuild?
Ski-Doo Snowmobile Tech Training
Spark Plugs cracked
Squish - The limit
Squish - A discussion on head design
Stator and Relay Diagnostic 
Stator testing for E-TEC using a T harness/Bridge
Stator testing for 1200 4-TEC
Stator Removal on page 3
Stator replacement for a 1200 4-TEC
Suspension Adjustment
Triples - Coolant Pump Assembly
Y-Pipe bolts loosening fix


#34 Daag44

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Posted 30 July 2017 - 12:01 PM

White Plugs ???


Rare pictures of the classic 1000 SDI piston failure from how it starts to self destruct to its EOL. Same deal as siccfish, 80 mph and BOOM. In both cases the operator could feel a problem sneaking-up on them. This is promising.
 

Pictures are from Desparado's MachZ on Jan 20th of 2005.

https://www.dootalk....-egt-on-mach-z/
 
"Lately, plugs have turned white. When arriving on a stop, the engine idles 2500rpm for a few seconds and then cycles back to its normal 2000rpm idle speed...sometimes after a backfire in the exhaust. This tends to suggest a lean condition. When cruising down at 80mph, I can "feel" the lean spot with a slight engine hesitation to pick-up speed when gradually accelerated in the mid-range. If I WOT the engine, then everything seems to be fine -- pull is strong and power is all there. Mid-range is where something is happening..."
 
 
 
How it Begins
 
Desperado 1000 SDI - Beginning of failure.jpg
 
 
 
How it Ends with Pre-Ignition
 
Desperado 1000 SDI - Failure.jpg


Edited by Daag44, 10 March 2019 - 05:41 PM.

Air/Fuel Ratio for two and four strokes
Air/Fuel Ratio for 1200 with boost
Air/Fuel Ratio is measured through emissions
Wideband and EGT
Wideband readings of Air/Fuel Ratio on a two stroke
600 SDI MY2004 Lean/Hot spot running 6900-7000 rpm @ 40-45% Throttle Opening
800R Cranking Compression
800R Oil Injection / Premix combo
800R P-TEK Electrical Troubleshooting #1 and #2 
800R Turbo
850 Center Oil line for coolant pump melted
850 Main Oil line caught fire #1 and #2
900 ACE Turbo - muffler turning red hot
1200 4-TEC Mapping
1200 4-TEC MY 2009 to 2011 Fuel Line issues that could cause a fire
Batteries
Belt Blowers: Overview of UPMICHIGANDER's and Ronn's experience
BUDS 3.3.0 won't connect to SDI
BUDS not connecting to HO or SDI - Try a CanDoo
Crankshaft runout - maximum allowable specs 
CVT efficiency - BlueMax
Deep snow intake for XP chassis
Electrical - ECM drivers for Ignition Coils and E-TEC injectors 
Electrical - Diagnoses of a failed ECM
Electrical - 30A Battery Charging Fuse Socket Diagnoses and Relay
Electrical - Relay Coil Wine
Electrical - Relay Testing
Electrical - Battery Charging Relay Diagnostic 
Electrical - Troubleshooting with BRP video 
Electrical - Solder vs Crimp
Electrical - Diagram for Fanners on page 3
Engine Break-In 
Engine Weight 
E-TEC 600HO Clutching
E-TEC Oil Pump
E-TEC Dial-A-Jet
E-TEC Electric Start troubleshooting
E-TEC Engine Management
E-TEC eRAVE position code recurring
E-TEC Stator fault codes P1562 or P1563
E-TEC Capacitor Charge Hold Test and Residual Voltage Test
E-TEC Voltage Rectifier Regulator troubleshooting
E-TEC Power Fades are not normal and can be fixed
Fuel Issues: Could new Ester type oxygenated additives be deteriorating the Fuel Sender Grommet?
Fuel pump and regulator replacement for ACE, E-TEC and SDI
Gasoline quality and storage
Bad Gas for a Two Stroke - Is it a Myth ?
GNR CVT Alignment for the G4
Grip N Rip Clutch Alignment testing
G4 Clutch Alignment, Engine Movement, Sheave Runout and Clutching
G4 850 Throttle Jerkiness solved with clutching
G4 850 Snappy throttle/clutch engagement
G4 850 pDrive tech - A question of Engineering
G4 Steering
G4 850 Tuned Pipe @ 12.6 lbs and Muffler @ 15.4 lbs vs 800R and 800RE muffler weight
Longevity - 800R E-TEC 
Mikuni o-ring for carb float assembly - Arctic Cat part# 6505-875 or from Amazon and eBay
Muffler Red Hot
Off-trail riding for flatlanders
Oil versus Fuel consumption
Pictures - How to resize and upload to DooTalk
Pictures - How to post with the correct orientation
Pipe Pressure testing on a dyno
Pipe Pressure testing from LRD (#1) and (#2)
Pipe Pressure testing results from BRP
Power Loss - How to diagnose in the field
Power at the Crankshaft vs Track - BlueMax
Power Curves: 600 HOE (E-TEC)
Power Curves: 600 vs 800 vs 850 vs 1000 vs 1200
Power Curves: 1000 vs 800 vs 600
Power curves: 800RE 2010.5 to 2016 vs 2016.5 850
Quebec/NY State border crossing
REV Gen1 Gauge Display stuck on "SCALE"
REV Gen1 Volt and Temp Gauge install
REV Gen1 electrical connectors for sensors and MPEM (Multi Purpose Engine Module)
Seafoam for E-TEC injectors
Shortblock or Rebuild?
Ski-Doo Snowmobile Tech Training
Spark Plugs cracked
Squish - The limit
Squish - A discussion on head design
Stator and Relay Diagnostic 
Stator testing for E-TEC using a T harness/Bridge
Stator testing for 1200 4-TEC
Stator Removal on page 3
Stator replacement for a 1200 4-TEC
Suspension Adjustment
Triples - Coolant Pump Assembly
Y-Pipe bolts loosening fix


#35 Daag44

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  • Sled:2007 1000 SDI

Posted 30 July 2017 - 12:06 PM

Big End rod bearings ???


From the same topic TheGhost posted the following on Jan 24th of 2005:

"If you stuck it that hard that crank will be done in 1500 miles or less, unless you guys replace it. Forsure that rod bearing took a beating when it siezed."
 
https://www.dootalk....-z/#entry281083

 

 

Edit:  By around 2009 BRP had stronger rods for the 1K and other engines.


Edited by Daag44, 07 December 2020 - 01:56 PM.

Air/Fuel Ratio for two and four strokes
Air/Fuel Ratio for 1200 with boost
Air/Fuel Ratio is measured through emissions
Wideband and EGT
Wideband readings of Air/Fuel Ratio on a two stroke
600 SDI MY2004 Lean/Hot spot running 6900-7000 rpm @ 40-45% Throttle Opening
800R Cranking Compression
800R Oil Injection / Premix combo
800R P-TEK Electrical Troubleshooting #1 and #2 
800R Turbo
850 Center Oil line for coolant pump melted
850 Main Oil line caught fire #1 and #2
900 ACE Turbo - muffler turning red hot
1200 4-TEC Mapping
1200 4-TEC MY 2009 to 2011 Fuel Line issues that could cause a fire
Batteries
Belt Blowers: Overview of UPMICHIGANDER's and Ronn's experience
BUDS 3.3.0 won't connect to SDI
BUDS not connecting to HO or SDI - Try a CanDoo
Crankshaft runout - maximum allowable specs 
CVT efficiency - BlueMax
Deep snow intake for XP chassis
Electrical - ECM drivers for Ignition Coils and E-TEC injectors 
Electrical - Diagnoses of a failed ECM
Electrical - 30A Battery Charging Fuse Socket Diagnoses and Relay
Electrical - Relay Coil Wine
Electrical - Relay Testing
Electrical - Battery Charging Relay Diagnostic 
Electrical - Troubleshooting with BRP video 
Electrical - Solder vs Crimp
Electrical - Diagram for Fanners on page 3
Engine Break-In 
Engine Weight 
E-TEC 600HO Clutching
E-TEC Oil Pump
E-TEC Dial-A-Jet
E-TEC Electric Start troubleshooting
E-TEC Engine Management
E-TEC eRAVE position code recurring
E-TEC Stator fault codes P1562 or P1563
E-TEC Capacitor Charge Hold Test and Residual Voltage Test
E-TEC Voltage Rectifier Regulator troubleshooting
E-TEC Power Fades are not normal and can be fixed
Fuel Issues: Could new Ester type oxygenated additives be deteriorating the Fuel Sender Grommet?
Fuel pump and regulator replacement for ACE, E-TEC and SDI
Gasoline quality and storage
Bad Gas for a Two Stroke - Is it a Myth ?
GNR CVT Alignment for the G4
Grip N Rip Clutch Alignment testing
G4 Clutch Alignment, Engine Movement, Sheave Runout and Clutching
G4 850 Throttle Jerkiness solved with clutching
G4 850 Snappy throttle/clutch engagement
G4 850 pDrive tech - A question of Engineering
G4 Steering
G4 850 Tuned Pipe @ 12.6 lbs and Muffler @ 15.4 lbs vs 800R and 800RE muffler weight
Longevity - 800R E-TEC 
Mikuni o-ring for carb float assembly - Arctic Cat part# 6505-875 or from Amazon and eBay
Muffler Red Hot
Off-trail riding for flatlanders
Oil versus Fuel consumption
Pictures - How to resize and upload to DooTalk
Pictures - How to post with the correct orientation
Pipe Pressure testing on a dyno
Pipe Pressure testing from LRD (#1) and (#2)
Pipe Pressure testing results from BRP
Power Loss - How to diagnose in the field
Power at the Crankshaft vs Track - BlueMax
Power Curves: 600 HOE (E-TEC)
Power Curves: 600 vs 800 vs 850 vs 1000 vs 1200
Power Curves: 1000 vs 800 vs 600
Power curves: 800RE 2010.5 to 2016 vs 2016.5 850
Quebec/NY State border crossing
REV Gen1 Gauge Display stuck on "SCALE"
REV Gen1 Volt and Temp Gauge install
REV Gen1 electrical connectors for sensors and MPEM (Multi Purpose Engine Module)
Seafoam for E-TEC injectors
Shortblock or Rebuild?
Ski-Doo Snowmobile Tech Training
Spark Plugs cracked
Squish - The limit
Squish - A discussion on head design
Stator and Relay Diagnostic 
Stator testing for E-TEC using a T harness/Bridge
Stator testing for 1200 4-TEC
Stator Removal on page 3
Stator replacement for a 1200 4-TEC
Suspension Adjustment
Triples - Coolant Pump Assembly
Y-Pipe bolts loosening fix


#36 Daag44

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  • Sled:2007 1000 SDI

Posted 30 July 2017 - 12:33 PM

Would non Ethanol E0 have saved the day?

 

 

For siccfish the E0 might even have contributed to the problem, but we will never know.

 

The first couple of fill-up were 95 E10, and the last two prior to engine failure were 91 E0 (non Ethanol) when it went BOOM. While E10 has its issues, E0 has a whole other set of problems. I would put my chances on the highest turnover fuel and make sure the plugs aren't white. Fresh fuel is normally better than fuel that's been sitting for a few months because the performance cars and boats have been put away in storage.
 

 

 

 


Air/Fuel Ratio for two and four strokes
Air/Fuel Ratio for 1200 with boost
Air/Fuel Ratio is measured through emissions
Wideband and EGT
Wideband readings of Air/Fuel Ratio on a two stroke
600 SDI MY2004 Lean/Hot spot running 6900-7000 rpm @ 40-45% Throttle Opening
800R Cranking Compression
800R Oil Injection / Premix combo
800R P-TEK Electrical Troubleshooting #1 and #2 
800R Turbo
850 Center Oil line for coolant pump melted
850 Main Oil line caught fire #1 and #2
900 ACE Turbo - muffler turning red hot
1200 4-TEC Mapping
1200 4-TEC MY 2009 to 2011 Fuel Line issues that could cause a fire
Batteries
Belt Blowers: Overview of UPMICHIGANDER's and Ronn's experience
BUDS 3.3.0 won't connect to SDI
BUDS not connecting to HO or SDI - Try a CanDoo
Crankshaft runout - maximum allowable specs 
CVT efficiency - BlueMax
Deep snow intake for XP chassis
Electrical - ECM drivers for Ignition Coils and E-TEC injectors 
Electrical - Diagnoses of a failed ECM
Electrical - 30A Battery Charging Fuse Socket Diagnoses and Relay
Electrical - Relay Coil Wine
Electrical - Relay Testing
Electrical - Battery Charging Relay Diagnostic 
Electrical - Troubleshooting with BRP video 
Electrical - Solder vs Crimp
Electrical - Diagram for Fanners on page 3
Engine Break-In 
Engine Weight 
E-TEC 600HO Clutching
E-TEC Oil Pump
E-TEC Dial-A-Jet
E-TEC Electric Start troubleshooting
E-TEC Engine Management
E-TEC eRAVE position code recurring
E-TEC Stator fault codes P1562 or P1563
E-TEC Capacitor Charge Hold Test and Residual Voltage Test
E-TEC Voltage Rectifier Regulator troubleshooting
E-TEC Power Fades are not normal and can be fixed
Fuel Issues: Could new Ester type oxygenated additives be deteriorating the Fuel Sender Grommet?
Fuel pump and regulator replacement for ACE, E-TEC and SDI
Gasoline quality and storage
Bad Gas for a Two Stroke - Is it a Myth ?
GNR CVT Alignment for the G4
Grip N Rip Clutch Alignment testing
G4 Clutch Alignment, Engine Movement, Sheave Runout and Clutching
G4 850 Throttle Jerkiness solved with clutching
G4 850 Snappy throttle/clutch engagement
G4 850 pDrive tech - A question of Engineering
G4 Steering
G4 850 Tuned Pipe @ 12.6 lbs and Muffler @ 15.4 lbs vs 800R and 800RE muffler weight
Longevity - 800R E-TEC 
Mikuni o-ring for carb float assembly - Arctic Cat part# 6505-875 or from Amazon and eBay
Muffler Red Hot
Off-trail riding for flatlanders
Oil versus Fuel consumption
Pictures - How to resize and upload to DooTalk
Pictures - How to post with the correct orientation
Pipe Pressure testing on a dyno
Pipe Pressure testing from LRD (#1) and (#2)
Pipe Pressure testing results from BRP
Power Loss - How to diagnose in the field
Power at the Crankshaft vs Track - BlueMax
Power Curves: 600 HOE (E-TEC)
Power Curves: 600 vs 800 vs 850 vs 1000 vs 1200
Power Curves: 1000 vs 800 vs 600
Power curves: 800RE 2010.5 to 2016 vs 2016.5 850
Quebec/NY State border crossing
REV Gen1 Gauge Display stuck on "SCALE"
REV Gen1 Volt and Temp Gauge install
REV Gen1 electrical connectors for sensors and MPEM (Multi Purpose Engine Module)
Seafoam for E-TEC injectors
Shortblock or Rebuild?
Ski-Doo Snowmobile Tech Training
Spark Plugs cracked
Squish - The limit
Squish - A discussion on head design
Stator and Relay Diagnostic 
Stator testing for E-TEC using a T harness/Bridge
Stator testing for 1200 4-TEC
Stator Removal on page 3
Stator replacement for a 1200 4-TEC
Suspension Adjustment
Triples - Coolant Pump Assembly
Y-Pipe bolts loosening fix


#37 Daag44

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  • Sled:2007 1000 SDI

Posted 30 July 2017 - 01:39 PM

TPS ???
 
This is the Bad A* sensor. It has to work well to avoid problems from idle to the midrange. It has less effect the further the throttle blades are opened, so not so much a problem for wot. The reason it is so important is that the MachZ calibration is Alpha-N.
 
Everything you ever wanted to know about the TPS can be found with the following Google searches. So I won't cover all the details, just a couple things that don't get much attention.
 
BlueMax TPS site:DooTalk.com
Thumbdoctor TPS site:DooTalk.com
 
With the CanDoo I get to perform the TPS reset myself and see if there is any truth to what I read, and there is. Below are some interesting instructions from BlueMax that I got to try for myself and found the reason why with a 600 SDI that was running lean and kept backfiring. As I was backing-out the idle screw the TPS value showing on the CanDoo reached zero and it still had over a turn to reach the zero stop! Not good. It could also have meant the sensor itself was bad or worn out.
 
The techs at CanDoo found that dirt/dust particles could accumulate on on the carbon trace between the zero stop position and idle where the wiper never reaches other than a TPS reset. This could mess with TPS reset and through-off the Throttle Position a few degrees. I think this was a problem more prevalent with older TPS, but if everything has been done to solve a Lean Midrange to no avail, this sensor may need to be replaced. The reset takes 15 min and the results show-up immediately on the Air/Fuel Gauge.
 
 
BlueMax Posted 20 February 2008 - 11:54 PM

"If the dealer did not make sure the throttle blades were against the throttle body zero stops, it may have been set incorrectly. Sometimes there is dirt in the throttle bodies that prevent throttle blades from getting to zero stop. Also they may have forgot to make sure there was slack in the throttle cable or may have even forgot to back off idle screw completely. A good tech will always look at throttle blade position when first hooking up BUDS system. Then he should back off the idle adjustment screw to see if the blades reach zero degrees. If this does not happen, it is time to take a much closer look at all components before doing a Closed Throttle Reset procedure."
 
http://www.dootalk.c...t/#entry1673614

Air/Fuel Ratio for two and four strokes
Air/Fuel Ratio for 1200 with boost
Air/Fuel Ratio is measured through emissions
Wideband and EGT
Wideband readings of Air/Fuel Ratio on a two stroke
600 SDI MY2004 Lean/Hot spot running 6900-7000 rpm @ 40-45% Throttle Opening
800R Cranking Compression
800R Oil Injection / Premix combo
800R P-TEK Electrical Troubleshooting #1 and #2 
800R Turbo
850 Center Oil line for coolant pump melted
850 Main Oil line caught fire #1 and #2
900 ACE Turbo - muffler turning red hot
1200 4-TEC Mapping
1200 4-TEC MY 2009 to 2011 Fuel Line issues that could cause a fire
Batteries
Belt Blowers: Overview of UPMICHIGANDER's and Ronn's experience
BUDS 3.3.0 won't connect to SDI
BUDS not connecting to HO or SDI - Try a CanDoo
Crankshaft runout - maximum allowable specs 
CVT efficiency - BlueMax
Deep snow intake for XP chassis
Electrical - ECM drivers for Ignition Coils and E-TEC injectors 
Electrical - Diagnoses of a failed ECM
Electrical - 30A Battery Charging Fuse Socket Diagnoses and Relay
Electrical - Relay Coil Wine
Electrical - Relay Testing
Electrical - Battery Charging Relay Diagnostic 
Electrical - Troubleshooting with BRP video 
Electrical - Solder vs Crimp
Electrical - Diagram for Fanners on page 3
Engine Break-In 
Engine Weight 
E-TEC 600HO Clutching
E-TEC Oil Pump
E-TEC Dial-A-Jet
E-TEC Electric Start troubleshooting
E-TEC Engine Management
E-TEC eRAVE position code recurring
E-TEC Stator fault codes P1562 or P1563
E-TEC Capacitor Charge Hold Test and Residual Voltage Test
E-TEC Voltage Rectifier Regulator troubleshooting
E-TEC Power Fades are not normal and can be fixed
Fuel Issues: Could new Ester type oxygenated additives be deteriorating the Fuel Sender Grommet?
Fuel pump and regulator replacement for ACE, E-TEC and SDI
Gasoline quality and storage
Bad Gas for a Two Stroke - Is it a Myth ?
GNR CVT Alignment for the G4
Grip N Rip Clutch Alignment testing
G4 Clutch Alignment, Engine Movement, Sheave Runout and Clutching
G4 850 Throttle Jerkiness solved with clutching
G4 850 Snappy throttle/clutch engagement
G4 850 pDrive tech - A question of Engineering
G4 Steering
G4 850 Tuned Pipe @ 12.6 lbs and Muffler @ 15.4 lbs vs 800R and 800RE muffler weight
Longevity - 800R E-TEC 
Mikuni o-ring for carb float assembly - Arctic Cat part# 6505-875 or from Amazon and eBay
Muffler Red Hot
Off-trail riding for flatlanders
Oil versus Fuel consumption
Pictures - How to resize and upload to DooTalk
Pictures - How to post with the correct orientation
Pipe Pressure testing on a dyno
Pipe Pressure testing from LRD (#1) and (#2)
Pipe Pressure testing results from BRP
Power Loss - How to diagnose in the field
Power at the Crankshaft vs Track - BlueMax
Power Curves: 600 HOE (E-TEC)
Power Curves: 600 vs 800 vs 850 vs 1000 vs 1200
Power Curves: 1000 vs 800 vs 600
Power curves: 800RE 2010.5 to 2016 vs 2016.5 850
Quebec/NY State border crossing
REV Gen1 Gauge Display stuck on "SCALE"
REV Gen1 Volt and Temp Gauge install
REV Gen1 electrical connectors for sensors and MPEM (Multi Purpose Engine Module)
Seafoam for E-TEC injectors
Shortblock or Rebuild?
Ski-Doo Snowmobile Tech Training
Spark Plugs cracked
Squish - The limit
Squish - A discussion on head design
Stator and Relay Diagnostic 
Stator testing for E-TEC using a T harness/Bridge
Stator testing for 1200 4-TEC
Stator Removal on page 3
Stator replacement for a 1200 4-TEC
Suspension Adjustment
Triples - Coolant Pump Assembly
Y-Pipe bolts loosening fix


#38 Daag44

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Posted 30 July 2017 - 02:04 PM

TPS Cheat ???


Ever heard of PuddyTatMan (aka ptm or Spike)? His findings at Dynotech Research were buried deep under what most of us focus on, Maximum Engine Horsepower and BSFC for those who dig a little deeper. But what about SCFM, does it even matter?
 
Apparently the only mod was a Straightline muffler and Fireball ceramic coated pipe (gloss silver w/ black flames). Otherwise Spike said it was stock for the baseline run showing an impressive 182.6 Hp @ 282 SCFM and 0.622 BSFC. The next run was with N2O that pumped 218.1 Hp @ 263 SCFM and 0.613 BSFC.
 
Isn't it odd that the stock run pumped 7.6% more air than with N20? And 19% more air than a fully stock MachZ? Those are some crazy numbers to consider.
 
 
 
The graphs below are from the stock run on 91 Octane.
 
 
1000 SDI Combined Maps with SCFM.jpg
 
 
1000 SDI Combined Maps with SCFM - Hp.jpg


Edited by Daag44, 30 July 2017 - 02:34 PM.

Air/Fuel Ratio for two and four strokes
Air/Fuel Ratio for 1200 with boost
Air/Fuel Ratio is measured through emissions
Wideband and EGT
Wideband readings of Air/Fuel Ratio on a two stroke
600 SDI MY2004 Lean/Hot spot running 6900-7000 rpm @ 40-45% Throttle Opening
800R Cranking Compression
800R Oil Injection / Premix combo
800R P-TEK Electrical Troubleshooting #1 and #2 
800R Turbo
850 Center Oil line for coolant pump melted
850 Main Oil line caught fire #1 and #2
900 ACE Turbo - muffler turning red hot
1200 4-TEC Mapping
1200 4-TEC MY 2009 to 2011 Fuel Line issues that could cause a fire
Batteries
Belt Blowers: Overview of UPMICHIGANDER's and Ronn's experience
BUDS 3.3.0 won't connect to SDI
BUDS not connecting to HO or SDI - Try a CanDoo
Crankshaft runout - maximum allowable specs 
CVT efficiency - BlueMax
Deep snow intake for XP chassis
Electrical - ECM drivers for Ignition Coils and E-TEC injectors 
Electrical - Diagnoses of a failed ECM
Electrical - 30A Battery Charging Fuse Socket Diagnoses and Relay
Electrical - Relay Coil Wine
Electrical - Relay Testing
Electrical - Battery Charging Relay Diagnostic 
Electrical - Troubleshooting with BRP video 
Electrical - Solder vs Crimp
Electrical - Diagram for Fanners on page 3
Engine Break-In 
Engine Weight 
E-TEC 600HO Clutching
E-TEC Oil Pump
E-TEC Dial-A-Jet
E-TEC Electric Start troubleshooting
E-TEC Engine Management
E-TEC eRAVE position code recurring
E-TEC Stator fault codes P1562 or P1563
E-TEC Capacitor Charge Hold Test and Residual Voltage Test
E-TEC Voltage Rectifier Regulator troubleshooting
E-TEC Power Fades are not normal and can be fixed
Fuel Issues: Could new Ester type oxygenated additives be deteriorating the Fuel Sender Grommet?
Fuel pump and regulator replacement for ACE, E-TEC and SDI
Gasoline quality and storage
Bad Gas for a Two Stroke - Is it a Myth ?
GNR CVT Alignment for the G4
Grip N Rip Clutch Alignment testing
G4 Clutch Alignment, Engine Movement, Sheave Runout and Clutching
G4 850 Throttle Jerkiness solved with clutching
G4 850 Snappy throttle/clutch engagement
G4 850 pDrive tech - A question of Engineering
G4 Steering
G4 850 Tuned Pipe @ 12.6 lbs and Muffler @ 15.4 lbs vs 800R and 800RE muffler weight
Longevity - 800R E-TEC 
Mikuni o-ring for carb float assembly - Arctic Cat part# 6505-875 or from Amazon and eBay
Muffler Red Hot
Off-trail riding for flatlanders
Oil versus Fuel consumption
Pictures - How to resize and upload to DooTalk
Pictures - How to post with the correct orientation
Pipe Pressure testing on a dyno
Pipe Pressure testing from LRD (#1) and (#2)
Pipe Pressure testing results from BRP
Power Loss - How to diagnose in the field
Power at the Crankshaft vs Track - BlueMax
Power Curves: 600 HOE (E-TEC)
Power Curves: 600 vs 800 vs 850 vs 1000 vs 1200
Power Curves: 1000 vs 800 vs 600
Power curves: 800RE 2010.5 to 2016 vs 2016.5 850
Quebec/NY State border crossing
REV Gen1 Gauge Display stuck on "SCALE"
REV Gen1 Volt and Temp Gauge install
REV Gen1 electrical connectors for sensors and MPEM (Multi Purpose Engine Module)
Seafoam for E-TEC injectors
Shortblock or Rebuild?
Ski-Doo Snowmobile Tech Training
Spark Plugs cracked
Squish - The limit
Squish - A discussion on head design
Stator and Relay Diagnostic 
Stator testing for E-TEC using a T harness/Bridge
Stator testing for 1200 4-TEC
Stator Removal on page 3
Stator replacement for a 1200 4-TEC
Suspension Adjustment
Triples - Coolant Pump Assembly
Y-Pipe bolts loosening fix


#39 siccfish

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Posted 30 July 2017 - 03:43 PM

Music to my ears too, and I still have it :) Thanks to the RT, 800RE and this forum I know better than before how clearances work from the pistons to the crank bearings, and the purpose of the Isoflex grease. Heck the 809 was the first engine that got one Isoflex filled crank bearing. I was looking at the technology from the porting to the cooling passages in the head and she looked good to me. She is fast stock with the good clutching, and when tuned for 0.2 Hp per cc she delivers an impressive 160 Hp! A perfect lake queen imo. For a regular trail sled, not so much without Fuel Compensation for Air Density and without Knock Protection. Then again I set them up for -20C @ Sea Level and I usually don't ride when it's any colder.

is it worth porting/ polishing the 809


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#40 ROBGROTTO

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Posted 30 July 2017 - 04:18 PM

I got 3,700 miles out of my 07 X before I sold it ! And I held it to the bars many times ! Saw 126mph on digital readout ! I did have a low pressure fuel pump failure in the first 12 months ! Sled was Fast ! Should have never sold it but you Dootalkers gave me paranoia!!

#41 mjmachz

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    1973 340 Silver Bullet TNT slide rail
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    1990 Mach 1
    1991 Formula Plus with 617
    1992 Mach 1 X
    1993 Mach 1
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    1999 Mach 1
    1995 Mach Z
    1998 Mach Z
    1993 Formula Plus Z
    1993 Formula MX "X" (670 and upgraded shocks)
    1976 Rupp Nitro 340 (x2)
    1974 Arctic Cat El Tigre 340
    1974 Artic Cat Lynx II 440
    1997 MXZ 670
    1999 MXZX 440
    2003 MXZX 440
    1999 MX Z Championship Series 670 HO #363 (Toni Haikkonnen)
    1999 MX Z Championship Series 670 HO #194 (Toni Haikkonnen)
    1995 MX Z xxx (809 triple)
    2016 RS 600
    1972 Bolens Sprint 292
  • Sled:2012 MXZ X 800 Etec

Posted 30 July 2017 - 05:28 PM

Actually, the Tech Plus 809 did have air density compensation.  (at least my '01 did)  Ran the same setup that I have on my Toni Haikkonen. (pretty sure that is what that servo gizmo and all the extra plumbing on the carbs was)

 

I have been pretty lucky with the 779 and 809 with the exception of stators on the 809. 



#42 Daag44

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Posted 30 July 2017 - 05:42 PM

is it worth porting/ polishing the 809


Sent from my iPhone using Tapatalk


I see a porting job as one part of a complete system from the intake to the exhaust and built by the same performance shop who understands how all the parts work together for a happy sled. I lost interest in the quick performance packages and focus my attention on making sure that all 3 cylinders measure the same and working the same. That is a big enough job for me. Maybe a little fun to tighten the squish band and play with ignition timing? Clutching will give the biggest bang for your buck.


Air/Fuel Ratio for two and four strokes
Air/Fuel Ratio for 1200 with boost
Air/Fuel Ratio is measured through emissions
Wideband and EGT
Wideband readings of Air/Fuel Ratio on a two stroke
600 SDI MY2004 Lean/Hot spot running 6900-7000 rpm @ 40-45% Throttle Opening
800R Cranking Compression
800R Oil Injection / Premix combo
800R P-TEK Electrical Troubleshooting #1 and #2 
800R Turbo
850 Center Oil line for coolant pump melted
850 Main Oil line caught fire #1 and #2
900 ACE Turbo - muffler turning red hot
1200 4-TEC Mapping
1200 4-TEC MY 2009 to 2011 Fuel Line issues that could cause a fire
Batteries
Belt Blowers: Overview of UPMICHIGANDER's and Ronn's experience
BUDS 3.3.0 won't connect to SDI
BUDS not connecting to HO or SDI - Try a CanDoo
Crankshaft runout - maximum allowable specs 
CVT efficiency - BlueMax
Deep snow intake for XP chassis
Electrical - ECM drivers for Ignition Coils and E-TEC injectors 
Electrical - Diagnoses of a failed ECM
Electrical - 30A Battery Charging Fuse Socket Diagnoses and Relay
Electrical - Relay Coil Wine
Electrical - Relay Testing
Electrical - Battery Charging Relay Diagnostic 
Electrical - Troubleshooting with BRP video 
Electrical - Solder vs Crimp
Electrical - Diagram for Fanners on page 3
Engine Break-In 
Engine Weight 
E-TEC 600HO Clutching
E-TEC Oil Pump
E-TEC Dial-A-Jet
E-TEC Electric Start troubleshooting
E-TEC Engine Management
E-TEC eRAVE position code recurring
E-TEC Stator fault codes P1562 or P1563
E-TEC Capacitor Charge Hold Test and Residual Voltage Test
E-TEC Voltage Rectifier Regulator troubleshooting
E-TEC Power Fades are not normal and can be fixed
Fuel Issues: Could new Ester type oxygenated additives be deteriorating the Fuel Sender Grommet?
Fuel pump and regulator replacement for ACE, E-TEC and SDI
Gasoline quality and storage
Bad Gas for a Two Stroke - Is it a Myth ?
GNR CVT Alignment for the G4
Grip N Rip Clutch Alignment testing
G4 Clutch Alignment, Engine Movement, Sheave Runout and Clutching
G4 850 Throttle Jerkiness solved with clutching
G4 850 Snappy throttle/clutch engagement
G4 850 pDrive tech - A question of Engineering
G4 Steering
G4 850 Tuned Pipe @ 12.6 lbs and Muffler @ 15.4 lbs vs 800R and 800RE muffler weight
Longevity - 800R E-TEC 
Mikuni o-ring for carb float assembly - Arctic Cat part# 6505-875 or from Amazon and eBay
Muffler Red Hot
Off-trail riding for flatlanders
Oil versus Fuel consumption
Pictures - How to resize and upload to DooTalk
Pictures - How to post with the correct orientation
Pipe Pressure testing on a dyno
Pipe Pressure testing from LRD (#1) and (#2)
Pipe Pressure testing results from BRP
Power Loss - How to diagnose in the field
Power at the Crankshaft vs Track - BlueMax
Power Curves: 600 HOE (E-TEC)
Power Curves: 600 vs 800 vs 850 vs 1000 vs 1200
Power Curves: 1000 vs 800 vs 600
Power curves: 800RE 2010.5 to 2016 vs 2016.5 850
Quebec/NY State border crossing
REV Gen1 Gauge Display stuck on "SCALE"
REV Gen1 Volt and Temp Gauge install
REV Gen1 electrical connectors for sensors and MPEM (Multi Purpose Engine Module)
Seafoam for E-TEC injectors
Shortblock or Rebuild?
Ski-Doo Snowmobile Tech Training
Spark Plugs cracked
Squish - The limit
Squish - A discussion on head design
Stator and Relay Diagnostic 
Stator testing for E-TEC using a T harness/Bridge
Stator testing for 1200 4-TEC
Stator Removal on page 3
Stator replacement for a 1200 4-TEC
Suspension Adjustment
Triples - Coolant Pump Assembly
Y-Pipe bolts loosening fix


#43 Daag44

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Posted 30 July 2017 - 05:56 PM

Rob, they were built to be held to the bars! Just don't let go :)


Air/Fuel Ratio for two and four strokes
Air/Fuel Ratio for 1200 with boost
Air/Fuel Ratio is measured through emissions
Wideband and EGT
Wideband readings of Air/Fuel Ratio on a two stroke
600 SDI MY2004 Lean/Hot spot running 6900-7000 rpm @ 40-45% Throttle Opening
800R Cranking Compression
800R Oil Injection / Premix combo
800R P-TEK Electrical Troubleshooting #1 and #2 
800R Turbo
850 Center Oil line for coolant pump melted
850 Main Oil line caught fire #1 and #2
900 ACE Turbo - muffler turning red hot
1200 4-TEC Mapping
1200 4-TEC MY 2009 to 2011 Fuel Line issues that could cause a fire
Batteries
Belt Blowers: Overview of UPMICHIGANDER's and Ronn's experience
BUDS 3.3.0 won't connect to SDI
BUDS not connecting to HO or SDI - Try a CanDoo
Crankshaft runout - maximum allowable specs 
CVT efficiency - BlueMax
Deep snow intake for XP chassis
Electrical - ECM drivers for Ignition Coils and E-TEC injectors 
Electrical - Diagnoses of a failed ECM
Electrical - 30A Battery Charging Fuse Socket Diagnoses and Relay
Electrical - Relay Coil Wine
Electrical - Relay Testing
Electrical - Battery Charging Relay Diagnostic 
Electrical - Troubleshooting with BRP video 
Electrical - Solder vs Crimp
Electrical - Diagram for Fanners on page 3
Engine Break-In 
Engine Weight 
E-TEC 600HO Clutching
E-TEC Oil Pump
E-TEC Dial-A-Jet
E-TEC Electric Start troubleshooting
E-TEC Engine Management
E-TEC eRAVE position code recurring
E-TEC Stator fault codes P1562 or P1563
E-TEC Capacitor Charge Hold Test and Residual Voltage Test
E-TEC Voltage Rectifier Regulator troubleshooting
E-TEC Power Fades are not normal and can be fixed
Fuel Issues: Could new Ester type oxygenated additives be deteriorating the Fuel Sender Grommet?
Fuel pump and regulator replacement for ACE, E-TEC and SDI
Gasoline quality and storage
Bad Gas for a Two Stroke - Is it a Myth ?
GNR CVT Alignment for the G4
Grip N Rip Clutch Alignment testing
G4 Clutch Alignment, Engine Movement, Sheave Runout and Clutching
G4 850 Throttle Jerkiness solved with clutching
G4 850 Snappy throttle/clutch engagement
G4 850 pDrive tech - A question of Engineering
G4 Steering
G4 850 Tuned Pipe @ 12.6 lbs and Muffler @ 15.4 lbs vs 800R and 800RE muffler weight
Longevity - 800R E-TEC 
Mikuni o-ring for carb float assembly - Arctic Cat part# 6505-875 or from Amazon and eBay
Muffler Red Hot
Off-trail riding for flatlanders
Oil versus Fuel consumption
Pictures - How to resize and upload to DooTalk
Pictures - How to post with the correct orientation
Pipe Pressure testing on a dyno
Pipe Pressure testing from LRD (#1) and (#2)
Pipe Pressure testing results from BRP
Power Loss - How to diagnose in the field
Power at the Crankshaft vs Track - BlueMax
Power Curves: 600 HOE (E-TEC)
Power Curves: 600 vs 800 vs 850 vs 1000 vs 1200
Power Curves: 1000 vs 800 vs 600
Power curves: 800RE 2010.5 to 2016 vs 2016.5 850
Quebec/NY State border crossing
REV Gen1 Gauge Display stuck on "SCALE"
REV Gen1 Volt and Temp Gauge install
REV Gen1 electrical connectors for sensors and MPEM (Multi Purpose Engine Module)
Seafoam for E-TEC injectors
Shortblock or Rebuild?
Ski-Doo Snowmobile Tech Training
Spark Plugs cracked
Squish - The limit
Squish - A discussion on head design
Stator and Relay Diagnostic 
Stator testing for E-TEC using a T harness/Bridge
Stator testing for 1200 4-TEC
Stator Removal on page 3
Stator replacement for a 1200 4-TEC
Suspension Adjustment
Triples - Coolant Pump Assembly
Y-Pipe bolts loosening fix


#44 ROBGROTTO

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Posted 30 July 2017 - 05:59 PM

Oh I didn't let go till I ran out of lake !!

#45 Daag44

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Posted 30 July 2017 - 06:18 PM

Actually, the Tech Plus 809 did have air density compensation.  (at least my '01 did)  Ran the same setup that I have on my Toni Haikkonen. (pretty sure that is what that servo gizmo and all the extra plumbing on the carbs was)

 

I have been pretty lucky with the 779 and 809 with the exception of stators on the 809. 

 

I forgot about the Air Temp Sensor and DPM on those and even RER. I never owned one, but definitely the type of carb engine I'd want. Of course an eye needs to be kept on the hoses to the float bowls. I had a 800 HO in the shop this past season that detonated just because of that hose. EGTs is the easy way to find problems early on triples with triple pipes. The bonus is calibrating each cylinder so they are even. The engine runs smoother too.


Air/Fuel Ratio for two and four strokes
Air/Fuel Ratio for 1200 with boost
Air/Fuel Ratio is measured through emissions
Wideband and EGT
Wideband readings of Air/Fuel Ratio on a two stroke
600 SDI MY2004 Lean/Hot spot running 6900-7000 rpm @ 40-45% Throttle Opening
800R Cranking Compression
800R Oil Injection / Premix combo
800R P-TEK Electrical Troubleshooting #1 and #2 
800R Turbo
850 Center Oil line for coolant pump melted
850 Main Oil line caught fire #1 and #2
900 ACE Turbo - muffler turning red hot
1200 4-TEC Mapping
1200 4-TEC MY 2009 to 2011 Fuel Line issues that could cause a fire
Batteries
Belt Blowers: Overview of UPMICHIGANDER's and Ronn's experience
BUDS 3.3.0 won't connect to SDI
BUDS not connecting to HO or SDI - Try a CanDoo
Crankshaft runout - maximum allowable specs 
CVT efficiency - BlueMax
Deep snow intake for XP chassis
Electrical - ECM drivers for Ignition Coils and E-TEC injectors 
Electrical - Diagnoses of a failed ECM
Electrical - 30A Battery Charging Fuse Socket Diagnoses and Relay
Electrical - Relay Coil Wine
Electrical - Relay Testing
Electrical - Battery Charging Relay Diagnostic 
Electrical - Troubleshooting with BRP video 
Electrical - Solder vs Crimp
Electrical - Diagram for Fanners on page 3
Engine Break-In 
Engine Weight 
E-TEC 600HO Clutching
E-TEC Oil Pump
E-TEC Dial-A-Jet
E-TEC Electric Start troubleshooting
E-TEC Engine Management
E-TEC eRAVE position code recurring
E-TEC Stator fault codes P1562 or P1563
E-TEC Capacitor Charge Hold Test and Residual Voltage Test
E-TEC Voltage Rectifier Regulator troubleshooting
E-TEC Power Fades are not normal and can be fixed
Fuel Issues: Could new Ester type oxygenated additives be deteriorating the Fuel Sender Grommet?
Fuel pump and regulator replacement for ACE, E-TEC and SDI
Gasoline quality and storage
Bad Gas for a Two Stroke - Is it a Myth ?
GNR CVT Alignment for the G4
Grip N Rip Clutch Alignment testing
G4 Clutch Alignment, Engine Movement, Sheave Runout and Clutching
G4 850 Throttle Jerkiness solved with clutching
G4 850 Snappy throttle/clutch engagement
G4 850 pDrive tech - A question of Engineering
G4 Steering
G4 850 Tuned Pipe @ 12.6 lbs and Muffler @ 15.4 lbs vs 800R and 800RE muffler weight
Longevity - 800R E-TEC 
Mikuni o-ring for carb float assembly - Arctic Cat part# 6505-875 or from Amazon and eBay
Muffler Red Hot
Off-trail riding for flatlanders
Oil versus Fuel consumption
Pictures - How to resize and upload to DooTalk
Pictures - How to post with the correct orientation
Pipe Pressure testing on a dyno
Pipe Pressure testing from LRD (#1) and (#2)
Pipe Pressure testing results from BRP
Power Loss - How to diagnose in the field
Power at the Crankshaft vs Track - BlueMax
Power Curves: 600 HOE (E-TEC)
Power Curves: 600 vs 800 vs 850 vs 1000 vs 1200
Power Curves: 1000 vs 800 vs 600
Power curves: 800RE 2010.5 to 2016 vs 2016.5 850
Quebec/NY State border crossing
REV Gen1 Gauge Display stuck on "SCALE"
REV Gen1 Volt and Temp Gauge install
REV Gen1 electrical connectors for sensors and MPEM (Multi Purpose Engine Module)
Seafoam for E-TEC injectors
Shortblock or Rebuild?
Ski-Doo Snowmobile Tech Training
Spark Plugs cracked
Squish - The limit
Squish - A discussion on head design
Stator and Relay Diagnostic 
Stator testing for E-TEC using a T harness/Bridge
Stator testing for 1200 4-TEC
Stator Removal on page 3
Stator replacement for a 1200 4-TEC
Suspension Adjustment
Triples - Coolant Pump Assembly
Y-Pipe bolts loosening fix





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