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Thread: premix ratios

  1. 02-27-2005, 03:50 PM #1
    hrc85250r's Avatar
    hrc85250r
    hrc85250r is offline Someone put sand in my panties. Roostin Away
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    premix ratios

    what is the best ratio for power and durability for the bike that is in my signature?

    i have been running 20:1 forever and i know that is too rich, but the thing is i have a friend that is a semi-professionalish dirtbike racer that is sponsored by ktm and he has always ran 20:1 in his race bikes....idk, he rides ktms and i have an old 250r so its probly different...

    thanks...
    1985 Honda ATC250R drag trike with s/t kit and full drag CR hybrid motor and drag chassis...
    1986 Honda ATC250R daily rider fully modded engine, +4 swinger,etc...
    1997 Polaris Storm 800 triple, boyesen reeds, dg individual silencers, 240 studs, 123mph on radar...
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  2. 02-27-2005, 04:10 PM #2
    1984kxtTECATE
    1984kxtTECATE is offline Got The Holeshot Arm chair racerJust too addicted
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    32:1 is pretty standard, it is a good mix, its a little on the rich side but not nearly as much as 20:1
    1986 310R
    1975 F150 4x4
    1975 F250 4x4
    1968 F100 2wd
    2001 Dodge 1500 4x4
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  3. 02-27-2005, 04:16 PM #3
    OldSchoolin86's Avatar
    OldSchoolin86
    OldSchoolin86 is offline Within Arms Reach Of The Master Arm chair racerLord of the trike
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    Depends on the oil. I used to run 20:1 with cheap-o wal-mart oil then I got into super techniplate. With Klotz super techniplate I run at 50:1 and now I have more power and my cylinders are lasting a lot longer.
    '02 Honda 416ex - A seasoned blend of 11 herbs and spices
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  4. 02-27-2005, 04:44 PM #4
    hrc85250r's Avatar
    hrc85250r
    hrc85250r is offline Someone put sand in my panties. Roostin Away
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    right now all i have is pennzoil marine tcw-3 oil, im guessing its pretty crappy, but the only time that i ran supertechniplate i siezed my crank....lol...but it smells good!
    1985 Honda ATC250R drag trike with s/t kit and full drag CR hybrid motor and drag chassis...
    1986 Honda ATC250R daily rider fully modded engine, +4 swinger,etc...
    1997 Polaris Storm 800 triple, boyesen reeds, dg individual silencers, 240 studs, 123mph on radar...
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  5. 02-27-2005, 05:50 PM #5
    1984kxtTECATE
    1984kxtTECATE is offline Got The Holeshot Arm chair racerJust too addicted
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    Try out HP2 its fully sysnthetic, wich has been proven to last longer than normal 2-stroke oil.
    1986 310R
    1975 F150 4x4
    1975 F250 4x4
    1968 F100 2wd
    2001 Dodge 1500 4x4
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  6. 02-27-2005, 06:19 PM #6
    MTS's Avatar
    MTS
    MTS is offline Power User The day begins with 3WW
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    it makes sense that a guywho races bikes would mix it at 20:1 becuse a 2 stroke motor makes its most power at 18:1....check out www.macdizzy.com
    1985 Tri-Z-

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