Engin Vibrates When Going Fast [Archive] - Snowmobile World : Your #1 Snowmobile Forum

: Engin Vibrates When Going Fast


fasttrack
02-05-2004, 09:44 PM
i went to a mechanic to see what was wrong with my sled..it would vibrate when i would go past 50kph..he said it could be the things that hold my engine down,the rubber..i want to know if thats what it could be..and i thought after i came back it could be because i hit a stump when i was drive'n,my whole belly pan was crushed in and tie rods were bend.but i fixed all that....

well can anyone get back to me befor i spend all that labor money for him to change the rubbers and find out it wasn't that causing that..L8ER! :confused:

paul yarek
02-05-2004, 09:50 PM
lift the track to see what it does with and without the drivebelt on. without the drivebelt don't be screaming the engine just take it up slow. do it while you are standing on the right side of the sled in case something comes apart.

fasttrack
02-05-2004, 10:05 PM
yea i did both already..but that wont solve anything.u need to have the weight of sled to my some kind of pull..i tried holding my breaks a little but didnt work..

so if anyone knows if the rubbers are the problem is reply..i have lots of play when i move the motor wit my hand.

woodsy
02-06-2004, 03:22 AM
Those "rubbers" are actually motor mounts. They may be "broken" and if they are your motor will bounce around. If your sled were an old single you could get quite a show from this - they REALLY danced :rolleyes: !! What Paul is probably saying is that your engine "bounce" may be more proonounced if it isnt under a load - sometimes the load coming from just having your belt on will keep you from being able to see the movement in your motor... Something else you might try is pulling your pipes and prying up (gently) with pry bar and see if you can lift the motor away from the mounts - careful you dont pry to hard though!!! Watch those rubber things when you do this and see if they separate!!
Woodsy SWRules