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  1. #1
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    compression on a stock 06

    I am looking at getting a second hand 06 model GPR.

    what should the compression be on one of these in stock form with low hours?


  2. #2
    Happily Self-Employed WFO's Avatar
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    Welcome izz0

    Most I have checked were 125-130 range

    http://www.greenhulk.net/forums/showthread.php?t=32134

  3. #3

    Join Date
    Jul 2006
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    grand bend.
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    My friends 07 with 19 hours pulled 130, 130, 125 on a cold engine.
    This was with a cheap $40 guage.
    It's more important that the numbers be close to one another rather than peaky. A weak battery and slow starter will also give too low readings as I learned with my machine this weekend I gained 15lbs compression when cranking with the charger hooked up

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