SOHC.co.uk Forums > CB350/400
Engine rebuild Parts list
Dolomite_:
--- Quote from: Bryanj on March 01, 2024, 09:30:33 PM ---If 400four bits has one he is a member on here as as far as i know fully trustworthy.
Personaly i would buy crank and rods as chances are the big ends would be ok and you would only need to buy mains.
No offence meant but if you are ordering a micrometer to measure the mains you wont be accurate enough, the correct use of mics is an art and the accuracy required is not easy to learn, you would be better taking it to a good engineering firm for accuracy
--- End quote ---
just thought I'd give it a go with a micrometer and plastigauge. If crank and rods are the way to go I'll do that.
What would you go for out of these two: option 1 https://www.ebay.co.uk/itm/312044879538?itmmeta=01HQXPVR92HVDMQ5AS8Q6HNVN8&hash=item48a752feb2:g:ZS4AAOSwi0lg3u8q
option 2 https://www.ebay.co.uk/itm/313344578679?itmmeta=01HQXPVR92FYBSGWTXTKKDEPWH&hash=item48f4cad477:g:13QAAOSw5FRgbExl
Bryanj:
Both those look same to me and would save you spending roughly £80 on big end shells.
Plastigauge is accurat when used correctly but you need a main bearing pin size to start from.
What are the letter codes from the rear of your crankcases?
Bryanj:
Where in northwest are you as i have family up round Bury/Ramsbottom
Dolomite_:
--- Quote from: Bryanj on March 01, 2024, 10:47:59 PM ---Both those look same to me and would save you spending roughly £80 on big end shells.
Plastigauge is accurat when used correctly but you need a main bearing pin size to start from.
What are the letter codes from the rear of your crankcases?
--- End quote ---
The crankcase code is BAAAA.
I'm near Preston.
McCabe-Thiele (Ted):
It does help if you are able to identify by the colour marks on the edge of one of the "A" mains journals as that gives you a starting point. Probably Green or Brown.
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