Maintenance & Technical > KX500 Original

What gas do you run?

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Robsauto:
Hey guys, I run VP C-12 in my 95 KX5. I just heard a rumor that the E.P.A is going to outlaw race gas in California. My bike pinged on pump gas, so I ran c-12. Here in so cal we only have 91 octane at the pump. Does anybody run pump gas here?

Paul:
In my everyday KX I do BUT... that bike has had the Eric Gorr head modification. My race bike runs on a 50 - 50 mix of 91 and Sunoco Purple (110 octane). That works out to 100.2 - or so the calculator says :wink: - and the black / white race bike is happy with that.

Sharc:
I run Premium anything gas in my 2002 and no pings...I'm a crazy old-school guy though - Golden Spectro at 50:1, any brand premium gas from any station thats open....havent fouled a plug, pinged, or fried a top end since the bike was new 4/02...the sweet K5 sucks it up and spits it out...!!

Sharc

teamgreen500:
I run 50:50 pump gas/76 110 race gas w/ Maxima Super M. My top-ends are doing real good...even after "Too many hours". Haven't heard about the "no race gas" thing. If so, I'll just go visit my friends up in Oregon and buy a drum.

The head mod's are a good idea and on my last "pump" motor, those mod's produced more/quicker rev's than stock.

Manny

Sharc:
TeamG -Who did your head mod...Eric Gorr...? I've seen mixed reviews of his work. I have a friend with a KTM 310 ala Eric G. It blew up the first time, fixed it free, now runs like a mofo (faaaassst...!)

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