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  1. #1

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    Question 95 SLT750 triple Fuel pump question (quick I hope)

    I just did the triple fuel pump upgrade since it was running lean and changed all the fuel lines. John Zigler sent me an image of a carb with the proper plugs and fuel lines ran with the upgrade however my carb setup looks a little different. I attached the image he sent me "Triple Pump.jpg" and my finished job "1034.jpg" I believe the outlets for the top and bottom rail are just on opposite sides versus the same side as in John;s Picture. Can anyone verify that I did this correctly? I am a novice working with carbuerated engines, thank you all again for your help!

    For clarity, my setup is the picture of the carbs on the engine, his is the off engine
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by Seanace1; 06-14-2009 at 01:53 PM. Reason: details about pictures


  2. #2
    Moderator beerdart's Avatar
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    Some thing is not right?? The top rail is return and should go the the restrictor and then to the fuel tank return not the water separator.
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  3. #3

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    oh your right, horribel mis-labeling. Although, I dont see a restrictor, it just goes straight to the fuel tank, is the restrictor internal?

  4. #4
    the restrictor is about 1.5 inches down in your return line from the carbs with a zip tie around it. Did you check your old lines to see if it was in there??

  5. #5

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    Quote Originally Posted by 77SLT750 View Post
    the restrictor is about 1.5 inches down in your return line from the carbs with a zip tie around it. Did you check your old lines to see if it was in there??
    Glad they didnt take the trash out yet, found it, installed. Now to change the piston. PTO was holed. Oil and gas down in the engine compartment. Still tinkering to figure it out..

  6. #6
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Seanace1 View Post
    Glad they didn't take the trash out yet, found it, installed...
    Did you check that the tiny hole in the restrictor was not clogged?

  7. #7
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Be sure to perform a leak down test.

    A holed PTO piston is sometimes bad crank seals.

  8. #8

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    Well I thought for sure I had a bad seal somewhere as the boat was full of oil and gas, but me being an idiot didnt realize that when pulling the impulse line for the new fuel pump, drained the crank case into the hull (genius here).

    Anyways, I pulled the restrictor back out, little pain that is, hole is good. Fuel trickles through it, well once I figured out how to prime it..

    Ill have to look up how to do a leakdown test, might as well go through the motions as im putting so much into this, thanks all!

  9. #9
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Seanace1 View Post
    ...when pulling the impulse line for the new fuel pump, drained the crank case into the hull (genius here)...
    There should not be liquid fuel and oil in the crank case!

    Maybe a tiny dribble, at the most.

    2-stroke engines do not have liquid inside them, unless something is wrong.

  10. #10

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    Quote Originally Posted by K447 View Post
    There should not be liquid fuel and oil in the crank case!

    Maybe a tiny dribble, at the most.

    2-stroke engines do not have liquid inside them, unless something is wrong.
    I thought there would still be oil in the crank case for the rods. Hmm, maybe I do have a leak in a seal. Or I could have had a horrible leak in a gasket or fuel line. It was definitely more oil than fuel in the bottom of the hull, everywhere. Before the rebuild my cousin cranked it over and over and over like it would randomly work again even though two pistons were holed, would that have pumped enough gas and oil into the crank case through those piston holes, that could have leaked out the impulse hole?

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