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FJR Motorcycle Forums
Technical & Mechanical Problems
Skipping and clacking at low speed
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<blockquote data-quote="wfooshee" data-source="post: 1370470" data-attributes="member: 6354"><p>I was thinking U-joint, except for "If I stop the bike completely and then start moving again, it disappears." I don't see how U-joint noise would stop after the bike stopped and then not come back, as the U-joint is still driving the bike...</p><p></p><p>Does the rate of the clack change with engine speed, or with wheel speed? That will tell you if it's (most likely) clutch or U-joint.</p><p></p><p>Warped rotor? That might make the pulse, and the clacking could come from disc rivets, which have play in them on floating discs.</p><p></p><p>Feeling it the pegs puts me back to U-joint, though.</p></blockquote><p></p>
[QUOTE="wfooshee, post: 1370470, member: 6354"] I was thinking U-joint, except for "If I stop the bike completely and then start moving again, it disappears." I don't see how U-joint noise would stop after the bike stopped and then not come back, as the U-joint is still driving the bike... Does the rate of the clack change with engine speed, or with wheel speed? That will tell you if it's (most likely) clutch or U-joint. Warped rotor? That might make the pulse, and the clacking could come from disc rivets, which have play in them on floating discs. Feeling it the pegs puts me back to U-joint, though. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Skipping and clacking at low speed
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