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Thread: '86 250R motor-what is this?

  1. #1
    Join Date
    Feb 2010
    Location
    CO
    --
    64

    '86 250R motor-what is this?




    What is this hole (about 1/4", located just below the intake) for? Crankcase vent? What do I need to do with it?
    Full Suspension Kart powered by '86 250r in progress

    Quote Originally Posted by 3wheelmecca View Post
    Dang! I'm fat and i've never seen that. And I ride my R like a truckstop ho.

  2. #2
    MyMistress86R's Avatar
    MyMistress86R is offline HEY! I don't really like your attitude right now! Arm chair racerJust too addicted
    Join Date
    Jun 2004
    Location
    Ohio
    --
    1,026
    I do believe that is a crankcase vent...if memory serves, mine has an elbow fitting and a vent tube running up and out from there...
    Official Wellsville soil tester! With pics and a $3000 medical bill to prove it...

    1986 TRX250R
    ESR 310~trail ported w/ torque exhaust flange~36mm Keihin carb~v-Force3 reeds~Pro Circuit Exhaust~custom 16oz flywheel weight~2006 YFZ front shocks~adjustable rear dogbone~fully functional rear brake light~Durablue +4 axle

    Former Ride 1986 ATC250R

  3. #3
    MyMistress86R's Avatar
    MyMistress86R is offline HEY! I don't really like your attitude right now! Arm chair racerJust too addicted
    Join Date
    Jun 2004
    Location
    Ohio
    --
    1,026
    And if I may ask...what the H E double hockey sticks is that mess around your front sprocket? It looks like steel mesh type stuff...
    Official Wellsville soil tester! With pics and a $3000 medical bill to prove it...

    1986 TRX250R
    ESR 310~trail ported w/ torque exhaust flange~36mm Keihin carb~v-Force3 reeds~Pro Circuit Exhaust~custom 16oz flywheel weight~2006 YFZ front shocks~adjustable rear dogbone~fully functional rear brake light~Durablue +4 axle

    Former Ride 1986 ATC250R

  4. #4
    Join Date
    Feb 2010
    Location
    CO
    --
    64
    Where does the vent tube run to?

    That is my chain guard (expanded steel).
    Full Suspension Kart powered by '86 250r in progress

    Quote Originally Posted by 3wheelmecca View Post
    Dang! I'm fat and i've never seen that. And I ride my R like a truckstop ho.

  5. #5
    Join Date
    Sep 2002
    Location
    Clarks Summit PA
    --
    1,236
    yes its a elbowed tee for a vent tube...
    Ride it like you stole it! And never look back! They are too far behind to see!

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