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Thread: oil gas ratio for 250r.

  1. #1
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    oil gas ratio for 250r.

    what do you guys mix in your built 250r(not stock)
    mines always been ran 100:1 i bought it a while ago it i have never seen a bike run that much oil.

    what oil you use.
    i run amsoil.

  2. #2
    Tbcoplin is offline At The Back Of The Pack Arm chair racerFirst time rider
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    100:1? I've never heard of anyone running leads than 50:1. I run pro Honda 2 in mine @ 32:1. Can't go wrong using factory oil.
    84 Big Red- User
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    86 Big Red- Mint- <30 hours on it

  3. #3
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    Quote Originally Posted by portland250r View Post
    what do you guys mix in your built 250r(not stock)
    mines always been ran 100:1 i bought it a while ago it i have never seen a bike run that much oil.

    what oil you use.
    i run amsoil.
    And your bottom end held together?! Jesus, I've heard it all now. You can never go wrong with 32:1. You're going to get alot of varied answers though, but I'm sure nobody will tell you to run 100:1.
    ADMIRIN' BOOBS AND BLASTIN' NEWBS

  4. #4
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    wow, 32:1 to 40:1.

  5. #5
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    wierd this 250r must be from hell cause it has run since its first build on that and it has put a lot of people in the hospital.
    im not bragging.
    on stock it says 20:1

  6. #6
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    40-1 on amsoil interceptor on my +4 stroker, 265 Duncan PV motor with v force 3's, PT high rev, 17cc dome
    RPFLU member and co-owner.
    Hardtails is all we do.
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  7. #7
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    Quote Originally Posted by portland250r View Post
    wierd this 250r must be from hell cause it has run since its first build on that and it has put a lot of people in the hospital.
    im not bragging.
    on stock it says 20:1
    All I can say is that I hope nobody else tries 100:1 because you say you've had success with it. Less oil does not make more power. My bet is you're running a smaller main jet than normal too.
    ADMIRIN' BOOBS AND BLASTIN' NEWBS

  8. #8
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    you wont run 100-1 for long,32-1 here.nothing wrong with a little smoke coming out of the exhaust
    1985 ATC 250R
    . Team Red Trike

  9. #9
    fabiodriven's Avatar
    fabiodriven is offline Aspiring romance novel cover model, and the Official 3WW slayer of thieves and swindlers. Catch me if you can
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    I love threads on oil. We need more of them on here.
    85 Tri-Zinger 60
    85 ATC250SX
    86 ATC250SX
    87 ATC250SX
    02 XR650L conversion
    84 ATC 480R

  10. #10
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    Agrees with fabiodriven.....thats exactly what we need! lol......this subject will never go away!
    1985 KXT250 A.K.A. "Doom"/Multiple Engine Combinations/Jason Hall Inverts/HRE Swing Arm, Cal Fab Swing Arm/Jemco Pipe/Buzz Saw Cylinder, Klemm Research Cyinder/PWK Carb/PVL Ignition/Dura Blue Axle/Mosh Custom Seat

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