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C15 Crank End Float

penno350
in Pre-65 Bikes

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Can someone please help with advice on crank end float for a C15.

Based on Rupert Ratio and Google I am not clear whether it needs shimming to control the setting between crank and main bearing or is used to centre the con-rod in the barrel.

Either way it seems to need a ‘dry’ build to measure the clearance but assume this will not take account of any gasket material between the crankcase faces, although this will be minimal.

I have had the crank refurbished by Alpha bearings including a timing side bush to bearing conversion.

Any experience/advice gratefully received.

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