Rough running viper

super1c

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Location
Freeland - Otsego lake, MI
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USA
Snowmobile
22 sidewinder LTX-LE
Did some reading and searching with no answers. Looking for some thoughts on my 17 viper. Sled all stock running fine with 1200mi. Filled up with premiums gas and I fill up there all the time. I filled wife's sled first then mine. Anyway started sled and drove off, Then all of a sudden sled started popping and burbling like crazy. No codes flashing and can't even get it to idle At this point. Let sled sit and finally got it started but idle is really rough and popping , almost sounds if it missing now with a good 2 stroke engine shake. I got moving and it would run fine when on the gas but as soon as i let off more burble and pop? Question is did I get bad gas, water? Foul plugs? I'm at a loss. It did clean up as day went on but still would like to know what happened. Still learning these four strokes and I'm a bit disappointed this happened. Thanks.
 
I believe there was a similar thread on this... Breather give for the gas tank runs under the engine and seems to suck up snow dust and water from the belly pan area into the gas tank. I'd check that out... Likely water build up in your tank

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Was also suggested to check throttle cable. Could have been torts? Will check that also.
 


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