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craigreavley 
Silver Level
Joined: 09 Sep 2010
Location: illinois
Points: 119
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 Topic: Snowmobile Clutch
Posted: 20 Dec 2010 at 1:28pm |
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What are the signs and symptoms that a snowmobile clutch is going. I have a yamaha inviter that is making a clattering noise, and sems to be slipping as you accelerate from 10mph to 30. It sounds like a box of rocks is clattering inside, and you can feel partial slipping in the drive train
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Coke-in-MN
Orange Level Access
Joined: 12 Sep 2009
Location: Afton MN
Points: 42018
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Posted: 20 Dec 2010 at 2:27pm |
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You have them, time for a look at it to find the problem. Could be simple fix or lot of worn parts. only way to tell is open it up.
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Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.
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Jeff Z. NY
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Joined: 11 Sep 2009
Points: 7326
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Posted: 20 Dec 2010 at 5:38pm |
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Sounds like it's coming apart and you don't want that at 8000 rpm's.
I would check into that ASAP!!!!!
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Pa.Pete
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Joined: 01 Oct 2010
Points: 239
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Posted: 20 Dec 2010 at 6:22pm |
If it's the clutch it woul probally make some noise at idle and just before it engages too.
It still could be the clutch but it might be the drive chain. Check it over good.
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DonBC
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Joined: 12 Sep 2009
Location: Courtenay, BC,
Points: 946
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Posted: 20 Dec 2010 at 7:02pm |
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I wouldn't wait to have it looked at. Leaving it go could result in a lot more costly repairs if something is coming apart in there. We have a Yamaha scooter with a similar type clutch and the bolt on the end of the crankshaft that holds the clutch in place came loose. It still worked but gradually got worse and by the time we had it looked at the repair also included a new crankshaft because the splines on the crankshaft were toast.
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Jack of all trades, master of none
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Kipn
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Joined: 12 Sep 2009
Location: Tewksbury, Ma
Points: 800
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Posted: 21 Dec 2010 at 9:46am |
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Make sure things are tight and no loose bolts. Alot of clutch problems can be cured with a new belt. Also check the bearings in the jack shaft. Remove the belt, rev it up, box of rocks still there, it's in the primary clutch or motor. Clutch facings should be smooth. HTH
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1961 H3
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Good
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Joined: 05 Apr 2010
Location: Logansport IN
Points: 453
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Posted: 21 Dec 2010 at 1:30pm |
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My polaris 440 was doing that ,turned out the brake rotor is sloppy on the shaft and the belt has narrowed to much throwing off when it engages. I got lucky on that one
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B212,716,two 314H's,WC,WD,D19,190XT
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Pa.Pete
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Posted: 29 Dec 2010 at 6:57am |
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Did you ever get this figured out?
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craigreavley
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Joined: 09 Sep 2010
Location: illinois
Points: 119
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Posted: 29 Dec 2010 at 7:11am |
I put a different drive belt on it, and it has eliminated the noise. I believe it is fixed. i put 55 miles on it on Sunday, and it performed much better. Thank you for the help.
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