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hi


You are replying to:
4amuskie
Posted 9/30/2016 12:13 PM (#831932 - in reply to #831892)
Subject: Re: Race fuel in outboard




Fishysam - 9/29/2016 10:27 PM

I put 92 in my 250 pro xs and instantly seems to have a bit less roar! Runs smooth and probably cooler but 2 mph top end loss I will return to 87 next time.

Octane reduces fuels flashpoint. The biggest problem with high octane fuel in engines not designed for it, is incomplete combustion which causes carbon. Not good.

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