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  1. #1
    traderdoc's Avatar
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    compression problem

    Bought a 2005 gp1300r and got taken. It ran pretty good in open water but is very slow out of the hole. Top end was 64 (speedo). Took it out 4 or 5 times and had fun until i got on my friends and wow is mine dogging it.

    Checked compression tonight:
    #1 115
    #2 115
    #3 40

    Where do I start and what do I look for first (be gentle...lol)

    Thanks for your help everyone.


  2. #2
    32 Valves To Love! Racecar_Dave's Avatar
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    sounds like you need a rebuild.

  3. #3
    traderdoc's Avatar
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    Im not much of a mechanic (but fairly handy) but I have all winter to learn. Is this something i can do myself and what is it going to cost me.

    Thanks for your quick reply

  4. #4
    32 Valves To Love! Racecar_Dave's Avatar
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    I have no clue bro, im a newb myself. just wait till tomorrow and youll have all kinds of responces from competent members

  5. #5
    WATER WOODY's Avatar
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    If compression is down,you need to pull the head and inspect that hole. Check to see if the #3 oil line is still in tact. Compression test should be taken with the throttle wide open.

    Welcome to GH.

  6. #6
    All hail the Chief! fullboogie's Avatar
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    Quote Originally Posted by Racecar_Dave View Post
    sounds like you need a rebuild.
    That's real helpful.

  7. #7
    32 Valves To Love! Racecar_Dave's Avatar
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    Quote Originally Posted by fullboogie View Post
    That's real helpful.
    i know right

  8. #8
    All hail the Chief! fullboogie's Avatar
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    Just bustin on ya Dave. OP, PM WFO and he'll talk you through it.

  9. #9
    traderdoc's Avatar
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    Im doing premix which was set up before I got it.

  10. #10
    Mike xsockguyx's Avatar
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    Pre-mix is good, but other things can cause a motor to fail. If #3 is that low take the head off and check the cylinder and head. Take pictures and post them up so you can be pointed in the right direction. CHeck the how to section and download yourself a service manual for that ski also.

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