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FJR Motorcycle Forums
Technical & Mechanical Problems
Drive train "crashing" when engaged on a cold engine
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<blockquote data-quote="RiderJoe" data-source="post: 1459884" data-attributes="member: 93203"><p>All of the above are good suggestions for minimizing the initial “clunk”. [USER=99768]@Dazza[/USER] I have to ask - do you normally park your bike on an sight incline (driveway, etc.)? If so, it is possible that all the slack between the gears, u-joint, and driveshaft is taken up by rearward pressure. When you put your bike into gear after a cold start that slack will be taken up by the forward motion of the engine. Nothing to worry about. </p><p></p><p>My 2003 made a similar loud noise as you described on cold starts (a little less noticeable on my ‘06). The way I was able to reduce the clunk is that I pressed down very lightly on the shifter for about a second with the clutch pulled in (disengaged) so I “preloaded it” in effect, before I pressed down fully to snick it into first gear. The gear shift was very smooth then without loud complaints from below.</p></blockquote><p></p>
[QUOTE="RiderJoe, post: 1459884, member: 93203"] All of the above are good suggestions for minimizing the initial “clunk”. [USER=99768]@Dazza[/USER] I have to ask - do you normally park your bike on an sight incline (driveway, etc.)? If so, it is possible that all the slack between the gears, u-joint, and driveshaft is taken up by rearward pressure. When you put your bike into gear after a cold start that slack will be taken up by the forward motion of the engine. Nothing to worry about. My 2003 made a similar loud noise as you described on cold starts (a little less noticeable on my ‘06). The way I was able to reduce the clunk is that I pressed down very lightly on the shifter for about a second with the clutch pulled in (disengaged) so I “preloaded it” in effect, before I pressed down fully to snick it into first gear. The gear shift was very smooth then without loud complaints from below. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Drive train "crashing" when engaged on a cold engine
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