801dubvshee Posted May 28, 2008 Report Share Posted May 28, 2008 so i just got my bike and i was wondering what kind of gas to run? my bike dosent have anything to insane done to it pretty much the basic up grades i was told to run race gas like 114 octane but then i was told that 91 pump gas would be fine so i could use another opinion????? Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted May 28, 2008 Report Share Posted May 28, 2008 You should do a compression check. If your at 150 or lower then you can just run Pump 91. If your up in the 180 psi range then you need to run race fuel. It just depends on what the previous owner set it up to run. Quote Link to comment Share on other sites More sharing options...
xXBlessedWithDeathXx Posted May 29, 2008 Report Share Posted May 29, 2008 You should do a compression check. If your at 150 or lower then you can just run Pump 91. If your up in the 180 psi range then you need to run race fuel. It just depends on what the previous owner set it up to run. where did you get your numbers? i bin wondering the same thing. i have 19cc domes and run 92 octane with no problem but was thinking of running VP fuel. Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted May 29, 2008 Report Share Posted May 29, 2008 Most people on here shoot for 150 psi when running pump premium, and 180 psi for running straight race fuel. Inbetween then you need to mix fuels. Quote Link to comment Share on other sites More sharing options...
xXBlessedWithDeathXx Posted May 29, 2008 Report Share Posted May 29, 2008 thanks, i did not know that. i`ll have to look into it. Quote Link to comment Share on other sites More sharing options...
BellicoseBanshee Posted May 29, 2008 Report Share Posted May 29, 2008 where did you get your numbers? i bin wondering the same thing. i have 19cc domes and run 92 octane with no problem but was thinking of running VP fuel. Advanced timing may change fuel requirements as well, depending on compression... Quote Link to comment Share on other sites More sharing options...
801dubvshee Posted May 29, 2008 Author Report Share Posted May 29, 2008 the guy who had it before had it on 91 the compression was about 155 it has an advanced timing thing on it but its set on stock according to what the previous owner told me but he didnt seem like he knew a whole alot about what he was talkin about Quote Link to comment Share on other sites More sharing options...
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