yeah, 13.1 seems long - a stock XS SHOULD be able to do do a 1/4 mi in well under 12. http://www.xs11.com/specifications/e-spec1.shtml
I'm thinking that it's gotta be that exhaust and your jetting, bro, barring a more serious problem (like compression)
I'm thinking that it's gotta be that exhaust and your jetting, bro, barring a more serious problem (like compression)
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