SOHC.co.uk Forums > CB750

CB750 tear down.

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Johnny4428:
Success with the separation this morning. It’s amazing an overnight rest with a bit more light too. New day and patience restored.  Pics to follow when they upload to iPad.

Johnny4428:
Bit of cleaning this afternoon old gasket surfaces. Pistons fitted wrong way around.

Johnny4428:
This is not good, started taking some measurements today and the camshaft lobes are 4 - 5 thou below lower tolerances. So it is toast. Don’t suppose anybody has one laying around?

Trigger:

--- Quote from: Johnny4428 on January 20, 2021, 07:05:17 PM ---This is not good, started taking some measurements today and the camshaft lobes are 4 - 5 thou below lower tolerances. So it is toast. Don’t suppose anybody has one laying around?

--- End quote ---

If the cam is that far out then, the follower must be fecked  ;) 

K2-K6:
Is it obviously worn on the tips of the lobe?

If not, it's possible it could have been ground on the base circle to "effectively" increase the valve lift.

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