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1-20 of 41 Results
  1. Skandic / Expedition
    So I'm working on a 1996 Rotax 377 in a Scandic. Ducati ignition system. So the engine abruptly died. No spark. Measured stator and trigger, all values were within spec. So ordered a new coil/CDI (SPI brand). Got a weak spark, now and then, so no success. Because the sled was outdoors when I...
  2. REV Chassis - Mountain Sleds
    Hello , I have a big difference in my spark I need your advice for the grey spark , you can see on the photo , I already tried to turn out 1/4 the fuel screw for idle richer , Does I need to worrying about the grey spark ? Is it too lean ? My cylinder was washed for the rebuild could be small...
  3. MXZ / Legend / Summit / Grand Touring / Formula
    Hey guys brand new to the forum so any guidance would be awesome. I've got a 2003 mxz550f my dad and I are working on and I can't for the life of me figure out what's going on. We bought it partially disassembled because the previous owner didn't want to pay for the repairs that the shop found...
  4. MXZ / Legend / Summit / Grand Touring / Formula
    Hello All, As I'm new to the forums and have read some threads on this topic, I've not seen any specific to my issue. So here goes, I'm fixing a buddies 2002 MXZ 600 R, it has RER and DPM. He had a rod bearing go out. We found a different bottom end (non RER) and changed it out. That being said...
  5. MXZ / Legend / Summit / Grand Touring / Formula
    1999 Ski Doo MXZ 600 roughly 3,500 miles (I have another matching sled to this one so I can swap parts) I need help friends! I've tried about everything I can think of and I'm going crazy. I'm fairly mechanically inclined but I'm really new to snowmobiles. Please help. SOS 12-31-2019 First...
  6. REV Chassis - Performance and Trail Models
    Good day everyone, Fairly new poster here, but have been searching and reading tons on this great site. That being said, my particular problem I've been searching high and low on to find a solution and still have not been successful. Background: Around this time last year (Feb 2019), I had...
  7. REV Chassis - Performance and Trail Models
    Is there a way to test a trigger coil? Can't find it by searching. Also, can the dealer test the ECM? I've tested the stator, checked all connections, tested wires for continuity, tried known-working coil and VR, replaced plugs, disassembled kill switch and cleaned the contacts (and tried...
  8. REV-XP / XM Chassis - Mountain Sleds
    My 08 summit 800r cuts out badly whenever I give it throttle. I've been through the carbs inside and out numerous times, changed jetting, needle clip position, etc. It starts and idles fine but when you crack the throttle just a bit it starts sputtering and cutting out. The plugs are wet when I...
  9. MXZ / Legend / Summit / Grand Touring / Formula
    2002 summit sport 600. was running fine and just quit like you pulled the tether, when I pull the plugs and attach jumpers to ground so i am not relying on weight holding them to the heads and pull the rope, I get what I would say is about 30% of a normal spark, second pull about 20%, third...
  10. Vintage Ski Doo's
    Hello all, got a 1980 Mirage II with a 377. Previous owner said sled didn't run. Took the motor apart and nothing looked terrible, except the crank seals looked like they were done. Rebuilt the motor with new seals, pistons, condensers, plug wires. Compression is over 100, both sides...
  11. MXZ / Legend / Summit / Grand Touring / Formula
    Hello all, I've fixed many of my issues by searching the through the wealth of information in your posts. Thank you. This issue is weird and has left me stranded in the cold. So It's happened twice. Running it for days out camping, then another chilly morning I prime like normal, and get a...
  12. REV-XP/XS Chassis: Renegades/Freeride/Backcountry
    hey there! I happen to have a real problem on my 2010 renegade 800r ptek. the problem is that the sled seems to miss some spark on one cylinder(clutch side). When I go WOT chek engine comes ON and after a scan at BRP its the knock sensor. When I put it in reverse, the problem is worse. Its hard...
  13. Vintage Ski Doo's
    okay so i bought a 1977 ski doo Everest 440 that ran but would not turn the pto. i fixed that problem by replacing the points and spark plugs. Then it ran great till it ran for 10 minutes and started to bog out no matter how much throttle i gave it. After inspecting the spark plugs i found out i...
  14. REV Chassis - Performance and Trail Models
    I have an 07 Renegade X 600 SDI. I just recently(intermittently)experienced a problem where under heavy acceleration the engine would appear to stall for a brief moment and even make a popping noise. Also at times the electric start function would not work although it would start with no problem...
  15. REV Chassis - Performance and Trail Models
    2004 MXZ 600 HO SDI - Here's where I'm at..... Hoping someone can help me out here. Last week I went riding all day with no issue. Stopped for a bit when we got back, and when I started up again, I fouled a plug. Changed both plugs out with new ones (NGK BR9ECS) and she started up again. Ran...
  16. MXZ / Legend / Summit / Grand Touring / Formula
    I have a 2002 mxz 600 that i bought as a project. First off, it doesnt have a kill switch, idk what happened to it, but they had some makeshift one plugged in. Anyway, it doesnt run so i put an inline tester on to test for spark and like every 6 pulls or more it sparks. Sometimes bright...
  17. Vintage Ski Doo's
    I have a 83 Citation SS 377.. It has always ran great untill this year. When i have a spark tester light hooked up... i pull on it and it will hit 1 or 2 times. usually on the 3 or 4th pull it wont light. same thing on both cylinders. any clues that can shoot me in right direction? Is it...
  18. MXZ / Legend / Summit / Grand Touring / Formula
    Hi guys wondering if any of you Doods know why my 380 f with RER killls the spark on the plugs. This is the first time it happened i let the engine warm up before i pushed the RER then it died down and stalled. now the sled has no spark on the plugs. PLEASE HELP.
  19. REV Chassis - Performance and Trail Models
    Okay I have a 04 mxz-x 800 and I was riding the other night taking an easy at 40 mph when the sled lost a cylinder. I was out in the middle of a field near no roads so I started it and if I got on it the sled would clear up till I let off the gas. now after trucking it home it will not do...
  20. MXZ / Legend / Summit / Grand Touring / Formula
    Ok, so here is another no spark thread. I took sled for a ride some time ago, ran perfect. Brought it home, parked it. Went out next day and wouldn't start. So I went to the other 800 in the garage and started swapping parts. Mpem, coil ect. no go. Today I put a new stator in it. Still zero...
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