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4 stroke play bike head porting?

Discussion in 'General Tech' started by LuckyStar64, Sep 3, 2017.

  1. LuckyStar64

    LuckyStar64 PR Addict

    Looking to get a clean up port job on a CRF150F head. Wasn't planning to run race gas, a high comp piston or cam. I'm just looking to get a slight improvement along the torque/power curve and better throttle response with a port and pipe. I've seen guys port their heads before and the work LOOKED beautiful-- but the engine ran worse than stock. So I'm looking for somebody experienced. Any ideas? --L*64
     

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