SOHC.co.uk Forums > CB500/550

Crank bearings good or bad

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Acro1985:
Hi All

Just stripped my engine down, and wanted people's thoughts on the crank bearings as to whether they are good or need replacing.

Bryanj:
Oil and filter have not been changed often enough but unless you plan on racing they should be fine looking at the pictures but enlarging goes fuzzy

Acro1985:
Try these one Bryan

I don't plan on racing it

Nurse Julie:
I would suggest changing the ones with the marks / nicks out of them.

McCabe-Thiele (Ted):
If you have gone as far as splitting the crank cases a lot depends on  the situation with the pistons.  I've always replaced crank bearings if an engine is being  rebored.

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