Outdoor Power Equipment and Small Engines - oil coming from breather

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tpdtpd
06-08-07, 01:59 PM
I did a tune up on my Murray mower,Model 287707 B&S 14.5 hp engine.

When I Started it up oil came out of the breather hose.

Can anyone tell me what the problem might be.

Thanks

tpdtpd

puey61
06-08-07, 08:10 PM
Overfilled crankcase (oil); Fuel dumping into the crankcase and "overfilling" the crankcase; Incorrect viscosity oil; Inverted crankcase breather assembly; Air leak at the crankcase; Or, operating at extreme angle.