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    Briggs 21 HP Intek (single cyliner) Model #331977-0001 G1 Smoking.

    I installed this engine new this spring, it has maybe 50 hours on it. About a week ago, it started smoking heavily when the mower was tilted with the carb side down. It stopped smoking eventually, but still does it on shut down and Now it is blowing oil out of the vent for the crank/oil case. It...
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