You don't use the switch to shut 'er off? How DO you shut 'er off?I am confidant you'll find that the owner's manual says to (a) retard engine control lever by pulling it ALL the way back, and allow the engine to idle briefly (this helps prevent "run-on"), then (b) push the ignition button all the way in (or throw the ignition switch, whichever A has) to stop the engine. If your governor allows the engine to be shut off by fuel starvation, it is not properly adjusted, although I don't know if this is really a problem or not. If the engine can still develop enough RPMs to have usable power, probably not. Incidentally, blow-by can most DEFINITELY cause the oil to smell like gas. My used-car-salesman uncle taught me that. It was one of the things he used to decide REAL FAST if the problem was likely to be valves or rings. He could also HEAR the difference, if the engine would run slowly enough! One final word: it is often a waste of time to replace the rings without doing the valves, and vice versa. One component suddenly doing its job effieciently after years of partial failure will often reveal partial failure in the other. Just my opinion, not "the Truth."
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