Ive Got A Kx 125 With A Pro Circuit Engine. Right Now I Run 93 Octane And Hihg Performance Race Oil. I Wasnt Sure If I Should Use Vp Or What? Some Input Would Be Great.
A lot of guys on here like to use race fuel because it keeps you jetting in spec due to non variation of fuels that you can get when you buy pump gas. If your bike runs well with no detonation on 93 pump gas i would just continue to run that. I run my 03 cr250 on 94 octane pump gas and i don't ever here detonation.
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