I measured 3 Chonda crankshafts

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Originally Posted by NormK
only to discover it is a 7/8th shaft I hadn't checked before because I thought the Chondas had a 22mm shaft same as the Hondas. Anyway live and learn

7/8 is 22 .23 mm ,the ones that I had were 22. 22 mm , 22. 17 mm and 22 mm ,I guess the machining tolerances are
slightly out being cheap Chonda motors.

If it's 0 .2 of a mm loose on the shaft I guess when the shaft gets a little rust the hub would be a snug fit.

Cheers
Max.