running 100LL or "avgas" in a carb'd motorcycle..yay or nay?

Discussion in 'OT Driven' started by TheRightToRemainSilent, Apr 10, 2004.

  1. TheRightToRemainSilent

    TheRightToRemainSilent I count six shots, nigga.

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    i have a 93 FZR 600

    and work at an airport, 100LL cost me what most would pay for 93


    is it safe or not?
     
  2. Car54

    Car54 Member

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    no, the lead will foul spark plugs. My friend did this. Why do you run 93 (or want to run 100) in your bike? It should run fine on regular... most four cylinder bikes dont need (or benefit from) anything more than 87-89..
     
  3. TheRightToRemainSilent

    TheRightToRemainSilent I count six shots, nigga.

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    hmm, the guys at my brothers bike shop seem to disagree

    i'll have to look into this a little further

    he ran it in his 2stroke 4 wheeler (with oil of course) and said he could tell a difference


    and it runs good in my 65 mustang
     
  4. Hobie1

    Hobie1 No longer self-employed & now hating life

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    Not sure on his old fzr, but most modern bikes have really high compression, 87 should be fine :rofl: PING, knock sensor, retard...and what does the # of cylinders have to do with it??? I know lead kills O2 sensors and catalytic convertors, but that's something most bikes don't have. Never heard of leaded gas being the primary reason a plug gets fouled, but then again the only bikes/cars I have had experience with that use it are race vehicles that don't run through much gas anyways...Not saying it isn't possible, but I have been putting race gas in cars or bikes since 95 without fouling out plugs due to the fuel.

    However, I wouldn't run av gas in a zero altitude vehicle. The motor builder for the race shop where I worked told me a myriad of reasons why not to use it about 10 years ago, he builds anything from 65hp formula V motors to 4 digit hp big blocks, I trust him...
     
  5. Hobie1

    Hobie1 No longer self-employed & now hating life

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    That would make since if the motor still has the original comperssion ratio ;)
     
  6. TheRightToRemainSilent

    TheRightToRemainSilent I count six shots, nigga.

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    i cant find anything online saying it would help it or hurt it...

    but the people around where i live say there is nothing wrong with it
     
  7. TheRightToRemainSilent

    TheRightToRemainSilent I count six shots, nigga.

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    yes avgas smells OH SO GOOD
     

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