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  1. #1
    Altezza01's Avatar
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    GP1300R ported break-in

    how do i need to break in the motor? it's been ported and i'm still using stock oil injection. what should i set my efi settings to? and is there anytyhing else i need to know? thanks. can't wait to get it running.


  2. #2
    sleeplessnMS's Avatar
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    I'll take a stabb at it.

    mix a 40-1 in fuel to go along with the oil injection 93 octane

    * settings*

    7
    8
    5
    7
    See if it runs ok at that adjust iff too rich....

  3. #3
    Happily Self-Employed WFO's Avatar
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    new pistons and rings?

  4. #4
    Altezza01's Avatar
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    i'm still using the oem pistons that came with the ski. i took it to our yamaha mechanic and he said they were in spec and i will be fine but i will need new rings. so i got new base gaskets, exhaust gasket, head gasket, and rings.

  5. #5
    Happily Self-Employed WFO's Avatar
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    so old pistons and new rings?

  6. #6
    Altezza01's Avatar
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    yes old pistons and new ring. before i sent the cylinders off it had 150-150-145 compression.

  7. #7
    Happily Self-Employed WFO's Avatar
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    The new rings will have to seat, so maybe run 10gals of 32:1, then work into 40:1

    I would start the controller at 7-8-8-6 for break in and lean it down after you run the 32:1 out

  8. #8
    Altezza01's Avatar
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    cool. thanks. man i can't wait to go fast

  9. #9
    Altezza01's Avatar
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    after 40:1 then what? just regular gas? will the breakin be done after 40:1?

  10. #10
    WATER WOODY's Avatar
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    Quote Originally Posted by WFO View Post
    The new rings will have to seat, so maybe run 10gals of 32:1, then work into 40:1

    I would start the controller at 7-8-8-6 for break in and lean it down after you run the 32:1 out
    3000% !

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