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  1. Ski-Doo Snowmobiles
    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 the cylinder opposite of mag side drops and the sled idles on one cylinder until you throttle it again. Once it drops to one cylinder, the gauge cluster...
  2. General Sled Chat
    Hey guys, I just bought a 2008 ski doo summit. It seems to run quite rough. Sled has a new top end, compression shows around 130 on both cylinders. Seems to run really rough in drive, and then when our in reverse it misfires/backfires. Here’s the video link: any information would be GREATLY...
  3. Polaris Snowmobiles
    Starting a new thread after my low compression issue threads started getting long and off track. So diagnosing my inability to hold idle and poor power, I replaced my fuel pump, ran a new line to the pulse inlet, completely and meticulously cleaned my carbs, checked my clutching, and got it...
  4. Engine / Drivetrain
    So I got the XLT running again. Freshly rebuilt clutch installed, spare recoil housing installed after broken pull cord. Took a bunch of pulls to get it started, but once it did it idled just under 2k, let it warm up and gave it a test out in the field. Clutch seemed to work well. Engaged...
  5. Polaris Snowmobiles
    Hey guys I have a 1994 XLT and when I went to start it up this year it was idling at about 4000 rpm, so I decided it probably needed a tune up with a new carb kit and flanges. When I was taking the carbs off I noticed a yellow substance on one of the cylinder walls. Is this normal? If not what...
  6. Polaris Snowmobiles
    Hey I just bought a 2007 600 IQ CFI that is idling at about 950 RPM. I haven't worked on many of these so I do not know what I should be looking for or what could be causing this. Where should I start? Anything helps, thanks!
  7. Yamaha Snowmobiles
    Just bought a 95 vmax 600 (my first sled). The idle after giving it throttle is very high. Is this too much of a lean mixture problem? How could I solve this issue?
  8. Polaris Snowmobiles
    I’ve posted about this sled a few different times when i’ve run into different problems. My last problem was fuel delivery. I found out the fuel shutoff valve was clogged and when I took that out and ran a direct fuel line and blew into the tank to pressurize the lines and it started after a few...
  9. Vintage Snowmobiles
    Got 2 SS440’s that have been sitting for a few years cleaned the gas tank, carb and put in new fuel line. I got the thing started and once I turn the choke off it idles up to about 3000rpm then bogs our and dies. I’ve tried adjusting the idle screw but it does nothing. When the choke is on I can...
  10. Ski-Doo Snowmobiles
    I have two 1999 Skidoo Touring E's. I cleaned both carbs in preparation for this season. One idles and runs fine. The other idles for about 20 seconds and then stalls. I can prevent it from stalling by flipping the choke lever briefly. It will run for 20 more seconds and then try to stall...
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