Zero Turn Mower. I'm stumped.

RustyRatRod said

I agree, BUT if you use it in a everyday or near everyday vehicle, it's not near as bad and actually has some good (detonation resistance) qualities. The problem is when it sits up for any appreciable length of time. ......and this one did just that.

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I dont use anything but real 91 or 93 octane in everything , from mowers ,chainsaws,weed eater, leaf bower ,etc. , no problems , een letting them set for extended periods , humid/rain or not ..side note , run it in the 505 fish and the polaris too ...