SOHC.co.uk Forums > Project Board
CB 500 resurrection
Oddjob:
I've never seen that damage before. The crank webbing has clearly gouged into the casing. Are all those shiny bits pieces of the alloy scattered around? Any corresponding marks on the crank webbing?
Is that Number 2 cylinder it's on, looks like it.
Casing damage looks to be no critical.
You may be better using the 550 bottom end or the complete engine.
gary123:
The shiny bits are indents in the casing.
It is no 2, this is the same view of the 550 casing. [ Guests cannot view attachments ] [ Guests cannot view attachments ]
Also pi of crank which just shows "polishing".
When I looked at cases for sale on ebay they seem to show similar wear.
Trigger:
It is not wear, it has been machined in the factory so, nothing to worry about ;)
gary123:
Thanks for that. One less thing to worry about.
gary123:
And in further bad news, looks like a chain snap has taken out a chunk of casting that protects the oil pump.
What do you think about using the 550 bottom case. The only difference I can see is an extra oil feed to the final drive shaft. [ Guests cannot view attachments ]
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