SOHC.co.uk Forums > CB350/400
CB350f bore size
royhall:
Can anyone confirm the piston to bore clearance for a CB350F. I have found so many differing sizes, but it appears to be 0.0008" (eight tenths of a thou) but I have seen as little as 0.0005" specified by Hondaman but that does seem very tight and risking seizure. What clearance have you guys used with good results. Cheers.
kevski:
I have two figures and it equates to 9.8 thou or 250 microns which is what I work to.
Tomb:
--- Quote from: kevski on August 18, 2017, 08:35:38 AM ---I have two figures and it equates to 9.8 thou or 250 microns which is what I work to.
--- End quote ---
Wow that's HUGE, are you sure that's not the wear limit? even if it were its still big.
Nurse Julie:
Gosh, with that clearance I thought you were talking about Brit bikes all of a sudden, even then it would be too much.......Dick and bucket come to mind ;D ;D ;D
royhall:
--- Quote from: kevski on August 18, 2017, 08:35:38 AM ---I have two figures and it equates to 9.8 thou or 250 microns which is what I work to.
--- End quote ---
Shouldn't that be 25 microns?
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