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Clutch Alignment marks


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#1 _leo_

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Posted 01 April 2021 - 07:38 AM

hey everyone, new here. i bought a 2016 1200 renegade X in the fall and it has a few miles on it now so i decided to do a bit of maintenance over the summer in preparation for next season, took my clutch out to rebuild it but the potato i am, i rushed splitting the sheaves and forgot to make some alignment marks on the halves.

 

my question is i see a few different marks on the sheaves and i'm not sure which ones are the actual alignment marks, there is a larger machined dot on the shaft side and a laser engraved line, on the spring sheave there is a half laser line on the edge and it has a yellow paint dot on the top between the ramp towers. which markings would i use? is it imperative that they are exact? i haven't removed the spring yet but i marked the location of the spring cup and the governor plate.

 

any info would help

 

PS: i think while the clutch is out i might grind a bit off the ramps, does anyone have an idea of how much i should grind to get about 8100-8200 rpm putting a goodwin primary and dalton dpssbyg secondary as per BARs 900 e drive build, are these springs well weighted for the extra power the 1200 carries over the 900?



#2 FlyingFrenchman

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Posted 01 April 2021 - 08:29 AM

I put Dalton primary and secondary in mine and consistently hit 8100. Should add though that is combined with a Gates Carbon belt.

#3 _leo_

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Posted 01 April 2021 - 09:04 AM

I put Dalton primary and secondary in mine and consistently hit 8100. Should add though that is combined with a Gates Carbon belt.

with no grinding of the ramps? so if i balance them out with the springs i should be getting above 8100?



#4 FlyingFrenchman

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Posted 01 April 2021 - 10:04 AM

No grinding at all. Right from new rpm were always pretty consistent. I went with Dalton when it started getting a little erratic. The primary spring upped engagement by about 2-300 rpm which I like as it actually took out a lot of the jerkiness for lack of a better term at lower speeds.

#5 _leo_

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Posted 01 April 2021 - 10:14 AM

yeah thats one of the biggest reasons for the clutch rebuild, my sled felt a little soft compared to other 1200s and my dads 900 ace, it wasnt as snappy on on throttle and i wasn't getting past 7200 rpm at full beans. was also getting a bit of belt squeal at low throttle low speed i figured for sure my secondary was sacked out and more them likely my primary, the sled has 12700km on it now and it doesn't look like the clutch was ever taken apart, still has the doo yellow locktite on it



#6 Flying_Dutchman

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Posted 04 April 2021 - 07:28 AM

My stock ramps weighed in at 37.8 grams.  I ground them down to 36.5 grams as per Bar549 recommendation. I used a Dremel tool and removed the metal from the inside of the arm near the tip. I removed the radius of the inside curve where the metal was thicker, leaving all external dimensions of the arm at stock measurements. I currently have a Dalton White/Yellow primary and a new BRP beige secondary spring at 21 lbs. On hard conditions I hit 8400 RPMs on a full throttle hit and it settles back to 8100 to 8200 RPMs. I will go to the Dalton Yellow / Green at 21 lbs for next season for the longevity and consistency of the Dalton spring. I use the laser scribe lines on the clutch sheaves for assembly. I run the stock 383 belt.


Edited by Flying_Dutchman, 04 April 2021 - 07:32 AM.


#7 SKIDOOCHRIS

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Posted 04 April 2021 - 07:45 AM

one gram per weight is usually the minimum needed for a 1200,

more for the 900 that uses the same weights

if you have the rev limit removed you can take off closer to 3g each on the 1200


Edited by SKIDOOCHRIS, 04 April 2021 - 07:46 AM.

20 900t xrs, WSRD 285x, green wheel, DLC, ID1000s, PS intercooler, 1.5 rip2 

09 1200, renegade ,precision 5128, powderlites header/IC/ intake, Motec, Tapp, ID1000,  DD floating qrs
16 1200, renegade red/white edrive-3g, pilot ts and quick adjust 

14 900 ace renegade for daughter 

 


#8 yellowjacket

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Posted 04 April 2021 - 08:44 AM

Look for these marks

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#9 _leo_

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Posted 04 April 2021 - 10:43 AM

Look for these marks



Thanks yellow jacket, I was going to use those marks, but I saw so many other marks on the plates that I started questioning them 🤦‍♂️

#10 _leo_

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Posted 04 April 2021 - 10:47 AM

one gram per weight is usually the minimum needed for a 1200,
more for the 900 that uses the same weights
if you have the rev limit removed you can take off closer to 3g each on the 1200


3 grams will take it to closer to 8500 rpm? Is that a safe rpm to take a stock engine too?

#11 SKIDOOCHRIS

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Posted 04 April 2021 - 08:00 PM

if its stock you wont make it past the rev limiter


20 900t xrs, WSRD 285x, green wheel, DLC, ID1000s, PS intercooler, 1.5 rip2 

09 1200, renegade ,precision 5128, powderlites header/IC/ intake, Motec, Tapp, ID1000,  DD floating qrs
16 1200, renegade red/white edrive-3g, pilot ts and quick adjust 

14 900 ace renegade for daughter 

 


#12 _leo_

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Posted 04 April 2021 - 10:56 PM

Thanks Chris, I might give it a try.

Curious if anyone know the bolt torque for the bolts on the couch tower brace. When I pulled my clutches I noticed the brace was cracked, now I've gotta replace that as wellIMG_20210330_0758590.jpg

Edited by _leo_, 04 April 2021 - 10:57 PM.


#13 SBT

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Posted 05 April 2021 - 07:01 AM

If you have a 16 it has the Bosch ecu and you can spin it as high as 8700 before it hits a soft rev limiter so 8500 is ok. No issues spinning it that rpm as most on here do it. Put on over 25000 km at 8500/8600 with no issues.



#14 Flying_Dutchman

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Posted 04 May 2021 - 06:56 AM

If you have a 16 it has the Bosch ecu and you can spin it as high as 8700 before it hits a soft rev limiter so 8500 is ok. No issues spinning it that rpm as most on here do it. Put on over 25000 km at 8500/8600 with no issues.

Just additional information on this point.....my 2018 sled which was manufactured (assembled) in 5/17 has the Bosch CPU also. Some of the date markings on the engine indicated July 2016. Clearly the model year of the sled does not mean all components are of the same year. Components made by third party suppliers can sit around for months at the assembly plant.



#15 SKIDOOCHRIS

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Posted 04 May 2021 - 09:12 AM

8700 is on the digital the analog will show closer to 8500

also 87 is on the limiter....not where you want to run it

remember to clutch it for the conditions your running

so warm sloppy day/dirt like 8300 so on the cold lake your like 86


20 900t xrs, WSRD 285x, green wheel, DLC, ID1000s, PS intercooler, 1.5 rip2 

09 1200, renegade ,precision 5128, powderlites header/IC/ intake, Motec, Tapp, ID1000,  DD floating qrs
16 1200, renegade red/white edrive-3g, pilot ts and quick adjust 

14 900 ace renegade for daughter 

 





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