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  • J Parts

    I've miss placed my rule book, and my question is that size pistons can be used in the Merc J motor, i know they aproved oversized pistons, but i need to know what size. any help would be great.

    thanks
    chris hagerl
    Chris
    8M in BSR or 8 in 45
    "Here’s the thing that makes life so interesting the theory of evolution states that only the strong survives but the theory of competition says just because they are strong doesn’t mean they can’t get their asses kicked don’t surprised if somebody decides to flip the script and take a pass on yelling uncle and then suddenly the old saying goes we’ve got ourselves a game...."

  • #2
    The over size is .015 over they dont make any bigger yet part number for the .015 piston with rings and wrist pin locks are 784-9747A4 and list for around 125.00 a piece. If you ever have to replace the rings they are out of site. list for .015 rings for one piston is 50.00 I had Matt ask why so much and Mercury said they dont sell many sets so the price is high. List price for Std. rings are around 24.00 for both pistons.
    Destiny is a matter of chance,it is a matter of choice; it is not a thing to be waited for, it is a thing to be achieved.

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