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Thread: XP HELP

  1. #1
    OLD # 7 IEGPR's Avatar
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    XP HELP

    So a buddy of mine has a 95 xp that wont start. I pick it up yesterday to see if i could find out whats wrong. plugs spark out of the holes and they are new and gaped corectly. I pulled the air cleaner out and gave it a squirt of gas. still no start. check comp, 70 in one and 62 in two. Is that low ? seems so for me but im a yamaha guy so I dont know. still seems low. I did check all the fuses also. any advice would be helpfull. By the way this has a 717 motor


  2. #2
    20 feet Boy's Avatar
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    Quote Originally Posted by IEGPR View Post
    So a buddy of mine has a 95 xp that wont start. I pick it up yesterday to see if i could find out whats wrong. plugs spark out of the holes and they are new and gaped corectly. I pulled the air cleaner out and gave it a squirt of gas. still no start. check comp, 70 in one and 62 in two. Is that low ? seems so for me but im a yamaha guy so I dont know. still seems low. I did check all the fuses also. any advice would be helpfull. By the way this has a 717 motor
    I think it need to be 100 psi or more to run. I think stock is 135-145psi for that motor.

  3. #3
    Stock is 150-155psi. You should pull the head and take a look at the damage.

  4. #4
    Spike's Avatar
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    check the rotary valve shaft, the gear may have stripped. It seems odd for both cyl. to be that low

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