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gear box shimming question, which shim

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gear box shimming question, which shim

Postby ianjc » Fri May 15, 2026 11:51 am

I have replaced the rear hub bearing (worn bearing) and after rebuilding the gearbox the existing 2.2mm shim is too tight. it won't turn, and I can not get a feeler gauge under. The biggest shim I have in my collection under 2.2mm is 1.7mm which is giving a feeler gauge reading of 0.40mm which is above the 0.30mm. Can someone advise an ideal size of shim to buy. Thanks
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Re: gear box shimming question, which shim

Postby Fast n Furious » Fri May 15, 2026 4:40 pm

1.9mm would seem to be the one you want.
£5.00 at MB scooters.
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Re: gear box shimming question, which shim

Postby ianjc » Fri May 15, 2026 9:09 pm

Thanks that's what I was thinking
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