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  1. Vintage Ski Doo's
    Hey guys, first post, I know it's long but I've read damn near 100 different threads on Safaris in here over the past few months and I'm still stumped! I recently picked up a 1991 Safari L 377 from a buddy for free, the only catch was the carbs were disconnected and the key was snapped in half...
  2. REV-XP / XM Chassis - Mountain Sleds
    So I bought this '08 summit 800r and some major issues came up while riding a few weeks ago, they all sort of point toward the carb I think. It's not able to idle for very long, and especially not at higher elevations, it sort of just stalls out after a minute or two if I don't give it gas...
  3. REV-GEN 4 & 5- Summit/Freeride/ 850 Turbo
    Hello fellow Doo-ers! Yesterday i went out with my 2017 Summit 850 154” for a ride. Me and my buddy were riding on a really bad trail with bumps everywhere. We finally got out on a lake and i really stepped on the gas and went up to around 110 km/h, we parked at the end of the lake for a break...
  4. MXZ / Legend / Summit / Grand Touring / Formula
    Hey everyone I’m having troubles with my 97 mxz 670 it has a really high idle (3600rpm) I’ve cleaned the carbs twice made sure I’m getting gas air and good spark adjusted idle screws and couldn’t get any change in rpm at all lean on fuel when I prime it it goes back down to regular idle (1800...
  5. MXZ / Legend / Summit / Grand Touring / Formula
    Hi! You guys recently helped a ton with my 2010 800r Ptek idling on 1 cylinder. So, we cleaned the carbs, replaced pilot jets, spark plugs, gas line, and found that the choke was sticking on and fixed that. This fixed the idling on 1 cylinder issue. Also, good plug pressure. It was riding great...
  6. MXZ / Legend / Summit / Grand Touring / Formula
    Hi, I recently purchased a 2010 MXZ 800r Ptek. After starting it, it runs great for about 30 seconds to 1 minute. Then once idle for that time, it drops down to one cylinder until you throttle it again. Once it drops to one cylinder, the gauge cluster lights begin to go out, only flickering...
  7. MXZX Race Sleds
    Sled has 130psi compression, runs good on the throttle, took it for a couple quick rips and rips as it should when it clears out, once it comes to idle when i first start it cold or after i do a pull it dies out & always idles at 1k rpm before dying, fuel screw it backed out 3 turns & air screw...
  8. 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...
  9. REV-XP/XS Chassis: Renegades/Freeride/Backcountry
    My etec 800 from 2011 starts and works normal in every way, beside that every time I let go of the throttle and rev starts to sink and are supposed to stay at idle 1200rpm, It just passes that point just like the snowmobile doesn't have any idle. The result is that the engine dies every time i...
  10. Vintage Ski Doo's
    I have a mint condition 1970 TNT 400(399) that someone gave me to get her ready for the winter, My only problem so far is the track turns when it idles to the point that if I apply brake she will stale. Put a new Belt that is for this sled, loosen the belt between pulleys. Still have the...
  11. MXZX Race Sleds
    So, last weekend I went on a snowmobile trip up north about 4 hours away from where I live. First day was great! Sled ran and started up fine. Second day got ready to head out again started up my sled for a few minutes filled it up with premium gas mixed with amzoil at 33:1. Same mix, fuel, and...
  12. Skandic / Expedition
    I've been chasing a single cylinder idling problem on my 2003 Skandic SUV for several weeks now. Everything ! has been torn down, cleaned and subsequently swapped to the other side and still the problem persists on the mag side cylinder. I gave it one last tear down tonight to try and find my...
  13. Vintage Ski Doo's
    Hey Guys, I am stumped on this one and am looking for some help. I almost have this sled running well but am running into issues with it idling. This sled is supposed to idle around 1800-2000 rpm. I cannot seem to get it above 1600 rpm. Idle speed screws are all the way in, Air mixture screws...
  14. MXZ / Legend / Summit / Grand Touring / Formula
    My sled idles so low the tachometer dosnt show anything and the lights are really dim idles fine should I just leave it alone or turn up the idle screw thanks
  15. Skandic / Expedition
    2012 SWT 600 etec. Machine driving along fine, smelled something electrical like, engine light came on, started bogging, stalled out. Removed panels, found panel foam wrapped around brake disk. Removed foam, started back up, nothing coming up on cluster, revved machine, cluster lites up and...
  16. 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...
  17. Sledding - General Discussion
    idle high around 3500 when u stop takes a long time to idle down anybody have this problem
  18. REV-XP / XM Chassis - Mountain Sleds
    First of all sorry for the long read!! Hope some of you fellow DooTalkers can help me out!! I have a 2009 Summit 50th anniversary 800R Ptek. I was having trouble with my sled leaking coolant. It was getting worse so I decided to further investigate my problem. I discovered that 2 of the 3 small...
  19. MXZ / Legend / Summit / Grand Touring / Formula
    Hi i have been wandering the forums for a few weeks, just finishing my top end rebuild trying to get all the bugs out before i put my sled away for the summer. Which is depressing to do. Before the rebuild the compression in each cylinder was 98 psi on both. The Valves were awfully dirty and in...
  20. MXZX Race Sleds
    so i changed my jetting to 310 all went well till i started the sled... its idling at 5000 RPM sometimes drops to 3000 but mostly i have to chock it down... my idle is rought and it sounds like its firing on one side but its not.. anyone know how to fix it? have been looking around on doo talk...
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