SOHC.co.uk Forums > CB750
Tacho drive leaking oil
mike the bike:
I had a mysterious oil leak on my 400four, couldn't work out where it was coming from. I used compressed air to pressurise the crankcase via the breather tube at the top of the engine. Under pressure, the oil squirted out of the gearchange oil seal, which was new from DSS. Replacing it solved the problem.
I think this would only work for low pressure leaks but it's worth trying.
royhall:
Is the oil by any chance coming out around the spark plug cavity's. If it is, could be the rubber penny washers leaking. They are under the cam carriers so engine out for that. Hope its not.
dieffe:
I am suspecting the penny washer seals so the motor is coming out again to check it out. Can these be obtained separately as they weren't in the last gasket set I had.
Bryanj:
91318-300-013 quantity 6
dieffe:
Thank you, I will see if DS has them, unless you know of somewhere else.
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