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  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-XP/XS Chassis: Perf. Trail 120-129 Inch Models
    2009 MXZ TNT 600 ETEC Original issue was sled shut off during riding and could not get it to start, took it into the dealership and a few weeks of them not knowing what was wrong they call me and tell me it was just the spark plug wires were bad and grounding out. So I picked up the sled and...
  3. REV Chassis - Performance and Trail Models
    Probing for feedback, I've had a few people tell me it's the coil. My 06 800cc Adrenaline is acting strange, ran fine all season up till a week ago. I get it warmed up an go ripp it, a minute or so later it runs like on one cylinder. I shut it down wait ten mins it will run great for a minute...
  4. 900 ACE 4-Stroke Models
    Hey Guys..... just looking for some opinions and to see if anyone else has run into this issue. My wife's '17 Enduro 900 has been running fine but it is doing something and I want to get ahead of it so it doesn't get worse on a trip. There have been two issues this season and I think I already...
  5. 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...
  6. 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...
  7. 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...
  8. 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...
  9. MXZ / Legend / Summit / Grand Touring / Formula
    1999 Formula Z 670 I suspect my stator may be faulty, any suggestions on how to test it in engine but out of the sled. Also any suggestions on how to test the cdi box, ignition module, and coil, as I cannot find anything helpful on the internet, dealer isn't much help either. Any help would be...
  10. REV-XP / XM Chassis - Mountain Sleds
    Hi guys, I have a 2008 summit 800r I'm having an issue with.. My sled is only running on one cylinder. The sled is only running on the mag side cylinder at idle. If I unplug the mag side plug cap I can get it to run on the pto side, but at soon as I plug the mag side back in it drops the pto...
  11. MXZ / Legend / Summit / Grand Touring / Formula
    I think I found my spark problem with my mxz. A piece of the recoil broke amd fell into the stator. It obviously got hot and cracked the insulation on the stator and melted some wires. I need a stator and possibly a pickup coil. I'm paypal ready.
  12. REV-XP/XS Chassis: Perf. Trail 120-129 Inch Models
    Hey guys so I am new here and this is my first Ski Doo. I picked up a 2009 600 Etec MXZ TNT from a local guy here in downstate MI. 3400 miles. One owner. Clean as hell. I took it to K&W Cycle to get a preseason check up done. Dec 5 a group of 10 of us headed up to Wetmore to hit the...
  13. Vintage Ski Doo's
    hey guys, i have a problem with my 1980 citation ss. i have no spark on one side but when i switch the wiring to coils left to right it has spark and the other side doesnt. i think its the points but not sure thx.
  14. Vintage Ski Doo's
    Hi my 1980 citation ss keeps burning coils on one cylinder would this be a wiring short maybe? thanks.
  15. MXZ / Legend / Summit / Grand Touring / Formula
    so, 97 summit 500. raveless. I believe I am getting erratic spark after a bit of a run at a high power and deep snow sort of load. only in loose snow though, rips on the lake trail at wide open for miles. goes like stink too can tell you the fuel system checks ive done, but its extensive. and...
  16. Vintage Ski Doo's
    I recently bought a 1977 ski doo Olympique in very good condition. The snowmobile has recently been giving me an issue and seems to be only running on one cylinder. I thought it might have been the coil so i switched the 2 coils and the cylinder still runs the same. both sides have spark when...
  17. Vintage Ski Doo's
    I recently bought a 1977 ski doo Olympique in very good condition. The snowmobile has recently been giving me an issue and seems to be only running on one cylinder. I thought it might have been the coil so i switched the 2 coils and the cylinder still runs the same. both sides have spark when...
  18. MXZX Race Sleds
    I have an 03 mxzx 440. It starts right up and idles fine. for first ten minutes or so it rips then it fall flat on its face dropping down to one cylinder. The mag side is the side that drops. you let off throttle and it picks right back up and idles great on both cylinders then once you get on...
  19. MXZX Race Sleds
    Hello, Im have trouble with my 03 MXZX 440. sometimes it will start right up and fun fine, most of the time it starts right up and idles fine but as soon as you get on the throttle it cuts out to one cylinder. i have already relpaced all the fuel lines and fuel pump and cleaned the carbs several...
  20. Vintage Ski Doo's
    So last year my 1980 Ski Doo Citation 4500 ran great till the end of the season when it started to loose a spark in one cylinder intermittently and had to limp back to garage. I replaced the plugs a few times with varied results. I put it away till now as snow is on the ground. At this time I...
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