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FJR Motorcycle Forums
Technical & Mechanical Problems
frustrated with HEAD SHAKE
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<blockquote data-quote="markjenn" data-source="post: 259180" data-attributes="member: 42"><p>Rock, sounds like you've got a bad case, considerably beyond what is acceptable or normal. If with normal loading (just you and no weight in the top box), it has a noticeable wobble with just one hand removed from the bars, this is too much in my book.</p><p></p><p>I'd remove the top box just to get a handle on how much this contributes to the problem. Top boxes are convenient as heck, but man-oh-man, they just do evil things to motorcycle handling.</p><p></p><p>I'd probably get out the string and take shot at seeing what the wheel alignment looks like. If the thing is major out of aligment, front to rear, even the cheapie string method will show a problem.</p><p></p><p><a href="https://www.motorcyclistonline.com/howto/string_align_motorcycle_wheels/" target="_blank">https://www.motorcyclistonline.com/howto/st...orcycle_wheels/</a></p><p></p><p>Sounds like you might have to escalate up the chain at Yamaha. Good luck.</p><p></p><p>Oh, one other thing.... at your weight you are WAY undersprung with the stock rear suspension, even on the hard setting. Getting a proper rate spring on the back might not solve the problem, but it might help a lot.</p><p></p><p>- Mark</p></blockquote><p></p>
[QUOTE="markjenn, post: 259180, member: 42"] Rock, sounds like you've got a bad case, considerably beyond what is acceptable or normal. If with normal loading (just you and no weight in the top box), it has a noticeable wobble with just one hand removed from the bars, this is too much in my book. I'd remove the top box just to get a handle on how much this contributes to the problem. Top boxes are convenient as heck, but man-oh-man, they just do evil things to motorcycle handling. I'd probably get out the string and take shot at seeing what the wheel alignment looks like. If the thing is major out of aligment, front to rear, even the cheapie string method will show a problem. [URL="https://www.motorcyclistonline.com/howto/string_align_motorcycle_wheels/"]https://www.motorcyclistonline.com/howto/st...orcycle_wheels/[/URL] Sounds like you might have to escalate up the chain at Yamaha. Good luck. Oh, one other thing.... at your weight you are WAY undersprung with the stock rear suspension, even on the hard setting. Getting a proper rate spring on the back might not solve the problem, but it might help a lot. - Mark [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
frustrated with HEAD SHAKE
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