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Old 03-09-2007 | 03:48 PM
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yallaair
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From: Floro, NORWAY
Default RE: Best muffler for O.S. 50 Hyper
Hi!
I've also just bought one O.S 50 hyper. I have 3 different fuels, Wildcat 15/15, Wildcat 15/18 and Wildcat CY 30/23. Any recommendations what's best for breaking in? How many tanks before setting the needles to max performance?
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