SOHC.co.uk Forums > CB350/400

main/big end bearing size differences

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Bryanj:
0.38 is so big its impossible UNLESS the journal pin is badly worn, in which case it would be oval as well so that journal needs very carefull measuring with quality micrometer

Dolomite_:
Miss type, its 0.038mm :D

I guess its just because I got a reading 1 thousandth less than the other ones. I'll remeasure and do another plastiguage check.

I guess as long as its between 0.02 and 0.05mm it should be fine.

McCabe-Thiele (Ted):
Out of interest which journal number is it?

Dolomite_:

--- Quote from: McCabe-Thiele (Ted) on April 04, 2024, 12:13:09 AM ---Out of interest which journal number is it?

--- End quote ---

From the generator/stator end its number 2.

McCabe-Thiele (Ted):
I'm assuming you have put a Brown shell in number 2 main journal - if you have ruled out crank ovality might be worth tracking down a pair of black shells to reduce the clearance so it's more on line with the others.

I've sold all my spare black shells but a member here might have a pair they are willing to part with - worth a try.

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