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  1. #1

    300x fuel pump flow rate?

    Does anyone know what the stock pump flows? I know it was upgraded from the 260...

    Thanks in advance!


  2. #2
    The 300X still uses the same P/N 490403719 that has been used on ALL big hull Kawi jetski models, 250X, 260X, LX, etc.
    Fuel pump's flowrate is NOT the limiting factor on those application. The injectors are.

  3. #3
    nicjak's Avatar
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    very interesting, as we have maxed out the oem injectors with the motec quiet easily, my next exercise was to check fp at WOT. i was led to believe we had a new hp pump i guess not.

  4. #4
    Quote Originally Posted by meangreenman View Post
    The 300X still uses the same P/N 490403719 that has been used on ALL big hull Kawi jetski models, 250X, 260X, LX, etc.
    Fuel pump's flowrate is NOT the limiting factor on those application. The injectors are.
    This is from the sticky 300x info: "New injectors handle higher volumes of fuel delivery. The new fuel rail delivers more fuel from the upgraded fuel pump."

    Weird....

  5. #5
    Quote Originally Posted by boostedf12x View Post
    This is from the sticky 300x info
    I would not believe everything that sticky says unless it's from a genuine Kawi literature which even sometime has errors and typos.

  6. #6

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    Very easy match part numbers...if different well u know the answer lol

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    Quote Originally Posted by nicjak View Post
    very interesting, as we have maxed out the oem injectors with the motec quiet easily, my next exercise was to check fp at WOT. i was led to believe we had a new hp pump i guess not.
    what RPM's were you at before you were at 100% duty cycle? for comparison sakes

  8. #8
    Quote Originally Posted by Getwetkawi View Post
    Very easy match part numbers...l
    Pare number of what part?

  9. #9
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    part number for theFuel pump assembly im assuming.... Its the same for the 250/260/300 so apparently they didnt put a bigger pump in the 300 or the PN would have changed

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