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Old 02-22-2014, 12:04 AM
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Will122391 Will122391 is offline
Motorized Bicycle Senior Member
Join Date: May 2013
Location: Texas
Posts: 90
Default Re: Regular v premium

I've done tons of reading on this and the safe bet everyone recommends is between 25:1 and 32:1. I wouldn't go below 20:1 after break in. I run 32:1. The general trend with these engines is that they aren't very picky about things. Spark plug gaps can vary largely and still work, standard or premium gas works, 18:1 to 40:1 would still work and probably be a safe range.
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