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  1. #1

    replacing clutch retaining bolt...

    Putting my new clutch and dampner in on friday and have started question
    Wether or not i should be replacing the bolt that goes on the end of the crank??
    As a ticketed heavy duty mechanic, my gut tells me i should. But is this something guys are doing?
    Or am i just over doing it (never a bad thing Imo...)


  2. #2
    SurfRider's Avatar
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    I don't think it is necessary, but keep in mind that it is a left hand thread. I'm sure many people break them when they try to take it off because they turn it the wrong way. So people assume that since they are breaking, it automatically should need to be replaced because they break so often.

  3. #3
    At work we dont re use head bolts, driveline bolts and others. Second clutch now and in
    Theory should have to be back to the clutch for a while. Had i of thought of it in time i would
    Have ordered it. Just hoping to here nobody else replaces it so i can sleep better.

  4. #4
    Kelly_A's Avatar
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    Service manual doesn't designate it "not reusable" so I'd think there's no absolute reason to replace it.
    If you've had the ski since new and know what work's been done (and that it's been done right) - that should also help reassure you.

    On the other hand, if the service/mod history is uncertain, the bolt is reverse threaded and might have been over torqued if it's ever been removed before.
    Fortunately, it's just about a $20 part. If you're planning your upgrade for Friday and you can get one locally so you don't have to delay, seems like cheap piece of mind to toss in a new one.

  5. #5
    Whats that whistling noise? jtskier11's Avatar
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    I didn't replace it. Just used caution and some oil on the threads and no issues.

  6. #6
    SurfRider's Avatar
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    Well it depends on the quality of the bolts. You wouldn't replace ARP rod bolts every time, would you? If Yamaha doesn't call for replacing them and you are a competent mechanic, than you really don't have much to worry about. . Ride and enjoy!

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