Quote:
Originally Posted by K-B
I kinda doubt it's the rings, from what you describe. What I meant regarding the carb was this, if the float or needle valve mechanism is damaged, bent or stuck, it will allow gas to seep into the crankcase, raising the oil level, and one of the places it'll come out of is the muffler.
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well I cleaned the carb first, disassembled the float and needle valve, there is some red rubber gasket and looked clean, then reinserted it then blew through the fuel inlet and it seemed to hold the pressure when float is up and release it when the float is down. and ealier cleaned it with compressed air and carb cleaner.
In addition oil spits from the muffler even when there is no carb (i.e.put a thin textile between intake and carb leaving some space for air) - tried like 2-3 pulls with just starting fluid sprayed into the intake but the engine did not start even for a fraction of a second.
And also is there another way fuel can seep to the crankcase except thru broken piston rings?