Gear shifter modification
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Thread: Gear shifter modification

  1. #1
    Senior Member Ken's Avatar
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    Aug 2016
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    Gear shifter modification

    I have two Yamahas and I have noticed that the shifters are sloppy no matter how you tighten them. This is what I did to resolve the issue. I removed the shifter and drilled a hole with a 9/64 drill bit on the bottom side. I placed the hole not dead center but a little towards the outside edge of the shifter. I then used a 8-32 (29D) tap on the shifter. I then placed a 8-32 set screw in the shifter, just enough to start the threads. I now installed the shifter and tightened the mounting bolt. I then tightened the set screw. I used a little locktight on the set screws. I did both bikes and this modification was well worth it. I can feel neutral and each gear much better now.

  2. #2
    Senior Member elime's Avatar
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    What I did was to remove the bolt from the shifter, clamp the shifter in a vice so the two halves were clamped together, then took a hacksaw and cut down the parting line. When I re-installed the shifter and tightened the bolt it clamped the shaft much tighter.
    Long live the internal combustion engine!

  3. #3
    Senior Member Maxpower's Avatar
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    Feb 2017
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    I had a spare aluminum lever from my WR450. It was too long so I had it cut and welded. My TW weighs less by maybe 2 oz. now
    littletommy and elime like this.

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  5. #4
    Senior Member Peterb's Avatar
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    So the shifter is loose on the spline? Hmm I'm going to have to take a look at mine. Thanks for pointing this out.

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