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Buell Forum » XBoard » Buell XBoard Archives » Archive through July 04, 2004 » Is it safe to run race gas in an xb « Previous Next »

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Jwz7
Posted on Wednesday, June 30, 2004 - 03:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

i know the manual says not to do it.there's a gas
station that sells trick 101 unleaded from the pump.as long as it's unleaded it should'nt screw
up the o2sensor.i've run race gas in my 68gto and my yz250 never had a problem.since the race gas will burn cleaner and it may cause it to run alittle leaner the ecm should compensate for it? is that correct?i know on fuel injected cars it's
not a problem,but with a buell who knows?thats why i'm asking.
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Buellgator
Posted on Wednesday, June 30, 2004 - 10:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I never ran straight race gas in any of my bikes. I always mixed half a tank of race fuel and half a tank of high octane pump gas. Of course all the bikes I did that on were carbed, and not FI.
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Racerx1
Posted on Wednesday, June 30, 2004 - 10:55 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

As long as the race gas is unleaded, you shouldn't have to worry about your O2 sensor. EFI will compensate to some degree for 'power adding' fuels such as Nutec or powermist. If its just a high octane 'stock car' gas your running in a stock motor, won't make a difference, may even lose a little power.

FYI - i run 93 octane 10% RFG pump gas in a 12.7:1 XB style road race motor with no issue. You can get away with this with XB heads. Thunderstorms are a different story...
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M1combat
Posted on Wednesday, June 30, 2004 - 11:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I've mixed Exxon 110 w/ Exxon 91. About 3/4 of a gallon of the 110. After about 100 miles the exhaust pipe was most certainly cleaner. I don't think I noticed any performance difference at all but just from the cleanliness point of view I'll continue to do so. I'm planning on putting a few gallons in my truck as well.
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R1DynaSquid
Posted on Wednesday, June 30, 2004 - 11:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

FYI - i run 93 octane 10% RFG pump gas in a 12.7:1 XB style road race motor with no issue. You can get away with this with XB heads.

It will run just fine on 93 octane. My R1 has 12.3:1 & no pinging.
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Austinrider
Posted on Wednesday, June 30, 2004 - 01:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I ran VP Utlimate 4 in my Stock motor XB9.
It took a few laps for the ECM to understand what was going on (Was getting some backfiring in the pipe for a bit) and then it ran strong and hard.

www.vpracingfuels.com

Ultimate 4 is an oxigenated 92 octane fuel. The bike does run stronger, I did notice and increase in power. This was a seat of the pants dyno with a long straight at the track to test top end.
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Jasonxb12s
Posted on Wednesday, June 30, 2004 - 08:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I've run on a full tank of race fuel...think it was between 103-106 octane..can't remember but it was a 76 brand of unleaded..Bike performed better and it didn't blow up. Think it cost me a little over 15 bucks to fill her up though. Can I use that stuff in my lawn mower? That is my question that nobody will answer.
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Noface
Posted on Thursday, July 01, 2004 - 12:36 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

yea Jasonxb, you can use it in your lawnmower. I did. Well, my kid didn't know better, and filled my Kubota with 4 gallons of race fuel. I noticed it right away by the smell of the exhaust fumes.

Sure did make those clippings fly further, it was really tearin' up the yard {not}.

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Kaese
Posted on Saturday, July 03, 2004 - 02:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I can get 110 Octane either unleaded or leaded. Does anyone know which would be better. The thing I noticed on the XB is that there is no sticker that says "UNLEADED FUEL ONLY".
Somewhat confused.

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Darthane
Posted on Saturday, July 03, 2004 - 04:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

DO NOT PUT LEADED FUEL IN YOUR MOTORCYCLE. PERIOD.
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