SOHC.co.uk Forums > CB750
do I need to replace my main bearings
Sp1john:
--- Quote from: Oddjob on November 04, 2022, 01:10:29 AM ---Need actual pictures of the face of the shell bearings. They can corrode due to acid in the engine oil over the years, so even though the clearance may be ok the shell could be ruined.
--- End quote ---
thanks.. al put some on today👍
Sp1john:
here are the photos of the main bearings..sorry for the quality of 2.. should I still use them 🤔
McCabe-Thiele (Ted):
I gotta say those mains look amazing - you must have done the oil & filer changes regularly.
Sesman:
I’d say if it’s the first tear down and the crank is in good shape it all depends on your mission and riding intentions. If your are doing a full restoration I’d replace them.If you are happy with the engine and don’t intend to rack up the miles and are operating a strict budget, you might want to use the cash saved elsewhere. I can’t help myself and replaced all shells, main load bearings, dampers and chains….it’s just the way I’m made.
Laverdaroo:
Same here, mine being an anchor to start with pretty much swayed the decision mind but I'm in Phil's camp too.
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