SOHC.co.uk Forums > CB350/400

Main bearing and primary guides advice

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Fleabie:
Hi,

I've read a lot on this forum about 400-4 crankshaft bearings. Its a bit daunting to be honest! I hope I don;t need to replace them. In the link below are some pictures taken this evening. Do people think these need replacing ?
https://drive.google.com/open?id=1-4l59zFfLh2o1unInJ8F2s0PnhXnJJZs&usp=drive_fs

Also, I am fairly sure my primary chain needs replacing. When placed on a flat surface sitting on its side, the top links touch the bottom. I think this says "replace me"?

On the primary guides, the Haynes manual says minimum thickness 5mm. Mine are 6.1mm. Do people think that is good enough to reuse? It might be academic as I cannot find new ones anywhere!

Thanks in advance!
Bill.

Trigger:
Never had to replace any rubber guides on a 400. Replace the chain and the primary rubbers  ;)

Bryanj:
Cant look at pics

McCabe-Thiele (Ted):
Google drive denied access so can't see any pics.

Fleabie:
Sincere apologies about the link. Please try this one:

https://drive.google.com/drive/folders/1-4l59zFfLh2o1unInJ8F2s0PnhXnJJZs?usp=sharing

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