i was riding today and it was pretty warm...i got really stuck in the snow and tried getting out... got stuck more and more....got to the point when i was pushing on the gas it was smoking underneath the snomobile...then i noticed that the track stoped spinning and then started to spin again.... when i finally got out i floored it and went home...i felt something under neath wrong but i though it was all the dirt and snow that got build up.. i cleaned everything out and washed and same thing... when i ride it i can feel it vibrating or something like that..its not riding as it used to...
no i dont have a spare belt at this moment...but when it idles it does not have any vibration its when only riding. and it feels like something scraping or vibrating its really hard to explain. but the sled works fine like it used to
A belt with an hourglass burnt into it will definitely make it shake. That vibration will go through the whole drivetrain. It would be difficult to feel exactly where it was coming from.
You might want to look at your drivers. Your driveshaft is a steel shaft that goes through the track in the front. There will be 2, or 3 (maybe 4?) plastic sprockets on there. Inspect those sprockets and see if everything looks alright.
thank you...i dont know a lot about snomobiles...my dad is a mechanic on cars and not on snomobiles. we rebuilt the engine at the end of last season and i love how it rides. thank you for all the info will take a look and see what i can find.
When you burn a belt, it gets one or more of these on it ) ( and they can cause a thumping at slow speeds and a significant vibration at higher speeds.
Replacing the belt is the only fix.
You will also want to examine the clutch faces to see if there is any belt residue stuck on there and clean it off.
While I don't exactly know that it is bad for the sled, I'm thinking that you might have a long walk back home if you happen to burn through it, which is more likely to happen since it might already be damaged according to what Rubi said.
On your back clutch, (the secondary) there is an adjustment thing in the middle with three screws. It is numbered one to three. If you loosen the screws, you can turn the cam back toward the number 1. I think this will loosen your belt tension. Give that a try.