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  1. #1

    Polaris SL 750 fuel resistor

    Hi.
    I've a question about the fuel resistor, what i could find searching the forums the hole in the resistor should be 0,4mm is this right? I've looked at some of your homemade resistors and 0,4mm dosen't look that fare off. The only pictures i could find of the original resistor are from the side and not the end of the resistor, so that didn't help me a lot.
    And one last thing, i'm running premix but i noticed that the oilpump is still mounted on the block. Is it totally necessary to remove the oil pump and mount a plate or can i leave it on?

    Morten


  2. #2
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    I believe it's a .018" orifice. (not too sure what that equals in metric)

    You can test the proper size by taking a fuel pressure reading. 1-2 at idle is normal with 4-6 at WOT.

    You can then adjust accordingly.

    I'd remove the oil pump. Less moving parts = less chances for a failure.

  3. #3
    Thanks, 0,018" = 0,46mm so that's pretty close.

    And about fuel pressure is it psi?

  4. #4
    BlueFishCrisis's Avatar
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    Quote Originally Posted by Morten1988 View Post
    Thanks, 0,018" = 0,46mm so that's pretty close.

    And about fuel pressure is it psi?
    Yes. Welcome to the Hulk!

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    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Yes, PSI

  6. #6
    Click avatar for tech links/info, donation request K447's Avatar
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    Arrow Fuel return restrictor

    It is called a restrictor, not resistor

    More info can be found through my signature links. Once there you can search for _restrictor_

  7. #7
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    About the oil pump. Many folks pull the oil pump... remove the geared stub shaft that drives the oil pump (from behind it inside the block), then put the oil pump back on... instead of buying a nicer looking block off plate. I would check to make sure they did pull the oil pump geared stub shaft. You can reach in with your finger and pull it out or use a magnetic bolt fetcher to pull it out... then put pump or block off plate on. Also make sure the oil barbs on the intake manifold or carbs where the oil lines were plumbed are capped off too... or those will be air leaks.

    Cheers!

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