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FJR Motorcycle Forums
Technical & Mechanical Problems
Final Drive Re-shim/Tightening Backlash—Easy
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<blockquote data-quote="mjlovstrom" data-source="post: 1384153" data-attributes="member: 90618"><p>On the dial indicator I was at .028--- spec is .010-.018. Noticable even when turning the shaft by hand can get a noticeable sound when the gears make contact.. When I tightened it up quieted it down a lot. The tolerances are understandably tight when new so no noise/ clunk isn't heard, but after 90k gears will wear and tolerances will open up.</p><p></p><p>As far as thinking it was shimmed before, I can't believe Yamaha factory would use 2 shims and on the FIsch the stock shim shows .40 mm. Mabey from the factory they used 2 shims, but I doubt it. And I can't believe a new final drive from the factory would have to be shimmed up that far.</p></blockquote><p></p>
[QUOTE="mjlovstrom, post: 1384153, member: 90618"] On the dial indicator I was at .028--- spec is .010-.018. Noticable even when turning the shaft by hand can get a noticeable sound when the gears make contact.. When I tightened it up quieted it down a lot. The tolerances are understandably tight when new so no noise/ clunk isn't heard, but after 90k gears will wear and tolerances will open up. As far as thinking it was shimmed before, I can't believe Yamaha factory would use 2 shims and on the FIsch the stock shim shows .40 mm. Mabey from the factory they used 2 shims, but I doubt it. And I can't believe a new final drive from the factory would have to be shimmed up that far. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Final Drive Re-shim/Tightening Backlash—Easy
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