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CB400 yellow main bearings shells13318333003

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Peter N:
Hi All.
I'm new to the site so forgive me if lots have already asked the same thing. I'm rebuilding a basket case 1975 cb400 and have come up short for some crankshaft main bearing shells. I'm after 4 x 1331 8333 003 yellow shells. Any ideas or has anyone got any spare new ones they would like to sell?
Thanks.

McCabe-Thiele (Ted):
Out of interest what is your crank case code ?

Are you sure you have measured your journals accurately or are you lucky enough to have some yellow paint still visible n the edge of the shells? Even so if its a basket case I would expect some wear on the crank journals so a thicker shell might be needed to compensate for wear.

If your sizing is correct you can fit the next size thicker shells and run it in carefully.

Oddjob:
I have a few nos 400-4 shells somewhere. I know I have some of the really rare ones like red, not sure about yellow. If I have I may only have a couple or I may have 4, I’ll try and look for you. Part number should read 13318-333-003 not how you have written it. If searching for them you may miss some by not listing it correctly. Not a criticism, just info.

Peter N:
Thanks for the info gents. I have the casing codes as they are clearly visible and was lucky enough the be able to see the original crankshaft codes on the crank for all the journals. Although the bikes a wreck the engine internals aren't that bad. There's very little wear on the crank.

I've tried all combinations of the part number, no luck yet.
I'll let you know how I get on.

Oddjob:
Sorry, managed to have a look but the only yellow 400-4 shells I have are conrod ones. Got some (8) green crank bearings which is the next size up and what you'll most likely end up having to use. I have some blue crank ones and some red, black and yellow rod bearings but that's it. If you want to buy 4 green bearings let me know, DS wants £27.60 plus P&P or around £120 all in. Not cheap these days. Say £95 inc P&P from me. Still sealed in genuine Honda bags, in perfect condition.

For some reason I started collecting shell bearings years ago. Mainly 500/550 ones TBH, I found the storage box today whilst hunting for yours. I have approx 200 of them, frightening as they are commonly going for £30 each these days. No idea why I have 400 shells as I have never owned one, maybe they were included in a job lot.

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