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post #1 of (permalink) Old 12-16-2002, 11:14 AM
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race gas

hi ihave a 2002 yz250 just got top end ported and polished at procircuit they say you have to run race gas with the port job is this bs or true ? any help wood be nice thanks
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post #2 of (permalink) Old 12-16-2002, 01:47 PM
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Re: race gas

if you are willing to spend the money to mod out a motor, you damn well better be prepared to run at least 1/2 race gas and decent quality oil in it
post #3 of (permalink) Old 12-16-2002, 04:20 PM
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Re: race gas

did they raise the compression? if so id run it at least some, u dont want to detonate it to death do ya?
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post #4 of (permalink) Old 12-17-2002, 05:52 AM
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Re: race gas

mix 2 gallons race to 3 gallons pump and you should be fine
post #5 of (permalink) Old 12-17-2002, 11:12 AM
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Re: race gas

it has a high compression head gasket so yes high compression have run it on 4gallons 92 /1 gallon trick racing gas ran great has so much more poop now than stock ps icame off a highly modafied 88 kx 500 before so it needed the work done at prociruit
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