SOHC.co.uk Forums > CB500/550

Cam end cover leak!!!

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gtmdriver:
When I bought my CB350F I thought that there was a leak from the cam cover joint but it turned out to be coming from one of the chrome bolts on the end of the rocker shaft. The alloy crush washers can be replaced by Dowty washers which have an integral O ring seal and do a much better job.

Bryanj:
ptfe is fine for gas and water but not on a honda

K2-K6:
You could also check the crankcase breathers to make sure you aren't trying to contain any pressure build up.

mickwinf:
I reckon oddjob is correct, I had a similar leak on my 500, if you take the endcaps off you will see the little L shaped bracket that is held on to the head by a single 10mm bolt, with 2 washers, one below and one above the bracket. as Ken says it should be a soft alloy washer, I found a copper one did the same job and cured my leak.

Bryanj:
I don't mind you taking the credit mate

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