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  1. #1

    Polaris fuel pump upgrade

    I have purchased a 1999 Genesis and 1998 slth

    I have read a few post that say the fuel pump should be replace with a triple and double outlet to prevent the fartherest cylinder from running lean. I am wondering if you can tell me if this is a good idea and if so where to get the pumps from and also schematics on running the fuel lines.
    I am in the process of replacing the fuel lines and if this needs to be done then now is the time.


  2. #2
    casey67's Avatar
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    The fuel pump recommendation is for the "Fuji" style engines (650-750)

    Both of your PWC have the "domestic style " engines with Keihin carbs and don't need the fuel pumps upgraded

  3. #3
    More speed, more vert scorp jr's Avatar
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    Quote Originally Posted by casey67 View Post
    The fuel pump recommendation is for the "Fuji" style engines (650-750)

    Both of your PWC have the "domestic style " engines with Keihin carbs and don't need the fuel pumps upgraded

    +1. If the motor is painted blue(foreign), the triple outlet fuel pump is necessary. Your motors should be red(domestic), and the fuel delivery works differently than the blue motor. No update is necessary.

  4. #4
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by scorp jr View Post
    +1. If the motor is painted blue (foreign), the triple outlet fuel pump is necessary...
    Actually, the blue Fuji 780cc engines already have the triple outlet fuel pump.

    Only the blue Fuji 650 and 750 engines didn't have the triple outlet fuel pump. The upgrade part number is actually the 780 engine's stock fuel pump part number

    All the red domestic engines have fuel pumps that work just fine.

  5. #5
    bowsniper's Avatar
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    Make sure the domestic isn't painted BLUE like the fugis are. I just seen one blue.. the domestics have ridges in the head. the fugis have smooth heads on the outside.

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