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Thread: atc250R oil from exhaust

  1. #1
    Join Date
    Feb 2009
    Location
    DFW
    --
    42

    atc250R oil from exhaust

    Hello all.

    I'm new to this site and i'm new to two strokes. My uncle gave me a 85 250R and I'm restoring the whole thing. It is almost completely done except i'm waiting on a coil to show up and I haven't put the gas tank or exhaust on yet. Quick question. I went to kick the motor over just to move the piston up and down through the cylinder some and I noticed oil coming from the exhaust. Is this normal?? Once again i'm new to the two strokes. Any help would be greatly appreciated.
    Sorry wasn't really sure where to post.

  2. #2
    Join Date
    Aug 2010
    Location
    Southern Oregon Coast
    --
    932
    I'm assuming it wasn't running

    Basically, yeah, when it's running it will burn that oil off. That is what lubricates your crank bearings and cylinder.

  3. #3
    Join Date
    Feb 2009
    Location
    DFW
    --
    42
    Yeah it wasn't running. Haha. Thanks though, that is kind of what I thought, but I also thought that the oil in the gas is what lubricated the cyclinder?

  4. #4
    Join Date
    Jul 2010
    Location
    O.C., Oregon
    --
    921
    Quote Originally Posted by jason0779 View Post
    Yeah it wasn't running. Haha. Thanks though, that is kind of what I thought, but I also thought that the oil in the gas is what lubricated the cyclinder?
    It is, but some will inevitably pass along to your exhaust system, it's completly normal to have a little come out when jetted correctly.
    1985 250r-LED Performance 4mm Stroker motor
    1978 ATC70 w/ Piranha 140cc
    1972 - K1 - CT70 w/lifan 125cc
    2017 YZ 250x- Braap

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