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  1. #1

    compression for stock GP800

    whats the stock#s for one in good shape?
    130# sound about right?

  2. #2
    cfgp927's Avatar
    Join Date
    Dec 2005
    Warsaw, Missouri


    125-135 is pretty standard with the GP800. if both cylinders are testing at 130, i'd say you have a pretty solid motor.

  3. #3
    yea I would panic if one of my 700s or 760 would be that low.

  4. #4
    got one thats got 150,145,going to pull head and see whats up with it.

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