SOHC.co.uk Forums > CB750

Crunching gears

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UK Pete:
Hi Paul yes the bike went straight through the MOT yesterday, as for the crunching gears i suppose its more of a clonk that all bikes seem to have , my FZ1 is very similar to the R1 and its almost silent when selecting gears from cold, but as soon as its warmed up it clonks a goodun
Pete

K2-K6:
Speaking just for the F2, if you take almost all of the slack out of the adjust pivot cam before putting the cable onto it then it should end up about 7 to 8 o'clock-ish and release the plates well which is what stops the crunch.

If the operation lever passes too far toward the cable entrance position then the tension at the hand lever rises at the end of it's travel and makes it hard to pull the clutch all the way in if that makes sense.

If the clutch plates are not really flat then it will be hard to stopp it dragging anyway and hence crunching.

If you go too far with taking out slack then you risk making it slip under high load.

Seamus:
Must confess that all my bikes have done that, Everything from the Blades to the triple, to the SP and the old CB's. Sometimes selecting second before 1st helps.

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