oil in mufffler

15 years ago

Hi

I have a cub cadet pushmower and the muffler is full of oil. this mower has not been turned on its side, so thats not the problem; also the oil level is correct.compression is at 75 psi which i believe is correct.This is not an ohv engine. also the valve breather seems ok.when I removed the valve breather i checked and both valves seen to be opening and closing. Does anyone know what I should check next?

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Comments (2)

baymee
15 years ago
75# is on the low side. Was the throttle wide open during the test?

A properly filled engine cannot transfer oil to the muffler unless it was tilted.

Are you consuming oil during running?
1saxman
15 years ago
Most mower engines have had a compression release for many years, so that may account for the low compression.

'This mower has not been turned on it's side'

Hmmm. Sure sounds like it has. That's what I would bet on. Start it and blow the oil out of the muffler. It'll smoke some, but should stop after a few minutes.
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oil in mufffler

Comments (2)

baymee

1saxman

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