SOHC.co.uk Forums > CB500/550

gear box issues ??

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triple:
Here,s something for you .
CB500 in racing kit. 3 rd gear occasionally seems to slip ( guaranteed its not the clutch as it would be more prevalent in other gears also )  ??
I have been told the gear itself is the issue and needs replacing but I need more convincing than that.

Only happens in 3rd. No issues with the balance of gears... quite odd , never experienced this type of thing before

very concerning when getting on the gas early in the corners. Feels like it jumps out then back in , sort off ....

any one have any ideas or experience with this issue ?

SteveD CB500K0:
Mine did that.

It was a worn selector fork. Unfortunately they are almost unobtainium now...

Steve

mickwinf:
the one that wears is the same as cb250/350k twins and can often be seen on ebay usa as thousands of them sold over there.

SteveD CB500K0:
I only discovered that recently Mick (Ash's post?)

I bought a complete gearbox from a breaker just to get the required selector fork.

matthewmosse:
On mine it was 1st and 2nd that developed that habbit.

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