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  1. #1

    PROX 4 stroke piston clearance

    Would anyone happen to know what the piston to cylinder wall clearance on a Fx140 60e for a prox piston? I have the clearance out of the oem manual for the stock pistons. Does the clearance need to be more than stock.

  2. #2
    I would think it would be the same but don't know for sure. The pro-x are very similar to the oem on the 2 strokes, don't know on the 4 strokes.

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