SOHC.co.uk Forums > CB500/550
CB550k1 US Import - UK registration
Bryanj:
If you are going racing or want a daily commuter look for another, if its going to be used like most of us it will last for decades, seen worse running and left them in.
Dont forget if you get a new or reground you should replace or reface the rockers
McCabe-Thiele (Ted):
I would be looking at the appropriate rocker where that mark is - looks like number 4 cylinder outside lobe? to see if there is any obvious corresponding wear.
I know little about what would have caused such a mark if it was a foreign object or a breakdown in the hardening from oil starvation.
As Bryan has said if the bike will be little used I think it would take decades for it to become a problem.
juitz:
Thanks guys, this is going to be a weekend / fair weather bike so will stick with the current shaft.
Rockers look decent, but there are marks on 2 and 3 exhaust rockers.
Laverdaroo:
See, told you I was no expert ;D ;D
Bryanj:
Check if the rocker shafts have oveled the holes in the cover
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