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Thread: Drilling holes in my new piston ????

  1. #16
    Join Date
    Mar 2010
    Location
    plymouth,il
    --
    1,231
    ok I'm pretty sure I figured out what an exhaust bridge is but correct me if I'm wrong it is a thin strip of casting that runs down the middle of the exhaust port ( like a bridge duh) and the holes are supposed to lubricate this thin strip of metal. Well I don't have one of those so does that mean I don't need to do this since I don't have an exhaust bridge. I think I was getting worried for nothing. hehe
    Life is better on 3 wheels
    1984 200es big red
    1976 suzuki rm125
    1983 honda 250r (minty fresh) SOLD
    1986 honda 350x (A PILE....for now)
    197? honda 90 (pauter framed little beast in the making)

  2. #17
    Join Date
    Jun 2010
    Location
    Plattsburgh, NY
    --
    2,311
    when i rebuilt one of my FL350 odysseys. i drilled 3 holes in the piston exactly where the exhaust bridge is. i also had the cylinder re-sleeved and has the exhaust bride relieved. this a built motor with thinner head gasket, bigger carb, v-force reeds, reed spacer, intake, and performance pipe and silencer. the holes were for extra cooling there, it allows oil to go through them and lube that part of the piston skirt and cylinder wall.
    TPC TRIKES

    FSU Powersports

    RNS Powdercoating

  3. #18
    Join Date
    Jun 2010
    Location
    Plattsburgh, NY
    --
    2,311
    yes that is the bridge, if u dont have one then u r fine.
    TPC TRIKES

    FSU Powersports

    RNS Powdercoating

  4. #19
    Join Date
    Oct 2002
    Location
    Fresno Ca
    --
    2,695
    No bridge= not needed

  5. #20
    Join Date
    Mar 2010
    Location
    plymouth,il
    --
    1,231
    sweet thanks I got all worried over nothing thanks guys once again you saved the day this is with out a doubt the best 3or 4 wheeled site I belong to.
    Life is better on 3 wheels
    1984 200es big red
    1976 suzuki rm125
    1983 honda 250r (minty fresh) SOLD
    1986 honda 350x (A PILE....for now)
    197? honda 90 (pauter framed little beast in the making)

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