SOHC.co.uk Forums > CB350/400

Yellow (Size D) Main Bearings

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Oddjob:
Just go up a size and fit greens if the crank looks ok.

400 Cafe Racer:

--- Quote from: Trigger on January 31, 2023, 02:03:57 PM ---Unless the crank is new, the journals will be worn and you should be able to upsize to green  ;)

--- End quote ---

Rogerxlixi
As well as physical instrument measuring, you should be able to get a final accurate clearance reading confirmed by assembling the bearing with "Plastiguage", then  torqing to correct setting, then disassemble to read the actual clearance for each journal. Its a bit time consuming but gives a clear result IMHO.

Dennis :)

McCabe-Thiele (Ted):
I agree with Dennis it's fiddly but Plastigauge works - I practiced on the con rods as it's simpler - then did the mains.

I will do the same on my 500.

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