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Discussion Starter · #1 ·
The snowmobile is a 1992 indy 440. I have compression in both cylinders and she starts 1 pull and idles fine. Usualy runs great at first but once warmed up I loose top end. Also sometimes after riding in deep snow the snowmobile will bog out and loose top end untill I shut it down for a long time. I am looking for any possible problems that would cause me to loose top end and cause the snowmobile to bog out from time to time.
Thanks,
Polaris Stu
 

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check your clutches always good to clean em too. all that belt gunk gets in there and can make the clutch sticky, so y ou coul dhave belt rubber thats getting the clutch stuck whenits warm
 
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