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  1. Sticky: Welcome. The SIFB module is plugged into the...

    Welcome. The SIFB module is plugged into the wire harness below the Main relay (brown box) and ECU... above the battery.

    Sadly, the original, stock SIFB modules commonly fail (not sure if it's an...
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    Hey Philou... long time no see. The stock MSX...

    Hey Philou... long time no see.

    The stock MSX 150 fuel pump in my ski is a
    Carter 4E19A405
    ...
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    Welcome. The fuel system on the MSX 150 is...

    Welcome.
    The fuel system on the MSX 150 is rather simple. Fuel tank. Fuel pump in the tank. Two red fuel lines (suppy & return) going to the fuel injector rail... supply connects on forward end of...
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    Have you pressure tested the engine to see if you...

    Have you pressure tested the engine to see if you have air leaks (worn seals, or leaking gaskets)?
    Also ensure you are not sucking any air from the fuel selector valve (had to replace one this...
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    Yep. Took me by surprise too my first experience...

    Yep. Took me by surprise too my first experience on a 780. The 750 does not have that same "coming on the pipe" jump in rpms... which is why I personally prefer the 750 to the 780... albeit the 780...
  6. Yeah... burned stator ground wire... commonly...

    Yeah... burned stator ground wire... commonly melts adjacent wires in the loom from stator to ebox. If you're lucky, it didn't melt/burn all the way back to the stator... and you can splice in a new...
  7. base - battery - cover - ebox ...

    base - battery - cover - ebox

    http://greenhulk.net/forums/attachment.php?attachmentid=461928&stc=1

    http://greenhulk.net/forums/attachment.php?attachmentid=461929&stc=1

    pics courtesy Martos...
  8. Yes... that's a short pump. Stock on the '95 SLT...

    Yes... that's a short pump. Stock on the '95 SLT 750.
    http://greenhulk.net/forums/attachment.php?attachmentid=461564&stc=1


    Here's some bolts on ebay...
  9. The coolant side of the heat exchanger sees 14psi...

    The coolant side of the heat exchanger sees 14psi (1 bar) during normal, full-temp operation. I'd pressurize that side and see if it holds pressure.

    Cheers!
  10. The intake manifold uses O-rings for gaskets at...

    The intake manifold uses O-rings for gaskets at the mating surface with the head... which are reusable.

    The charge pipe hoses/clamps are all reusable.

    There will likely be some one-time-use...
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    Sticky: Contact Lakeside Tech for your ECU needs. Top...

    Contact Lakeside Tech for your ECU needs. Top notch!

    Cheers!
  12. Great news! Were you able to remove/replace the...

    Great news! Were you able to remove/replace the crank position sensor with engine still in the hull? I thought engine cradle blocked the sensor from being removed. Did you have to shave it a tad?...
  13. Welcome to GH! Are you saying the coolant is...

    Welcome to GH!
    Are you saying the coolant is leaking out the jetpump... through the freshwater pickup hose (the small plastic screen covering the pickup hole in the jetpump nozzle)??

    The coolant...
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    I second recommendation for Randy at...

    I second recommendation for Randy at WeberPower... for all your Weber (MSX 110/150) engine and pump needs.

    For block re-plating... I've only heard good things about Millennium. ...
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    Thanks for the update... very interesting! ...

    Thanks for the update... very interesting!

    With a new engine, different hull... did you mention custom mounting of engine to bedplate?

    You really should consider getting a proper alignment for...
  16. I have a bunch of the 750's... love'em. The $25...

    I have a bunch of the 750's... love'em. The $25 ebay round mikuni 3-outlet pumps work great for the 750s (780s need more flow so they use the octagon-shaped, higher-flow pumps).

    Like already...
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    The Polaris PWC knowledge pages... in case you...

    The Polaris PWC knowledge pages... in case you haven't seen it yet

    http://polarispwcknowledge.shorturl.com/

    Cheers!
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    Welcome to GH! The seal does not go on that end...

    Welcome to GH!
    The seal does not go on that end of the stator. That's the end where the cone attaches via 3 bolts. The cone is sealed with an O-ring.
    Both seals (double-stacked) go on the...
  19. Make note of the exact RPM you are limited to (if...

    Make note of the exact RPM you are limited to (if consistent). You can tell alot about issues based on the max RPMs you are seeing.

    If ~3400... then it's likely the SIFB module... if you have an...
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    Pull the jetpump off (4 LONG bolts + steering...

    Pull the jetpump off (4 LONG bolts + steering linkage bolt + reverse bucket bolt + 2 hoses zip-tied on side of pump)
    It pulls off... straight back... usually a tough tug to get the impeller and...
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    http://greenhulk.net/forums/attachment.php?attachm...

    http://greenhulk.net/forums/attachment.php?attachmentid=453875&stc=1http://greenhulk.net/forums/attachment.php?attachmentid=453879&stc=1

    I too have a sweet catch can... with custom sock breather...
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    That's quite impressive that you tore down the...

    That's quite impressive that you tore down the whole front of the engine while still in the hull!

    With the intermediate gear in your pic... did you rotate the engine to turn over that gear and see...
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    So... when it says overtemp... and you pull the...

    So... when it says overtemp... and you pull the seat up... does it "feel" like the engine is getting excessively hot?

    So you have no coolant flow into the reservoir bottle? Only at idle or when...
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    Be sure the oil tank you find on ebay has the...

    Be sure the oil tank you find on ebay has the water jacket (water flowing through it). Hydrospace (HS4) oil tanks do not have a water jacket. Ensure it has all the correct ports. See the pictures...
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    Welcome. 1. I'm guessing you've ruled out...

    Welcome.
    1. I'm guessing you've ruled out leaking coolant into the hull. Often it will only leak under full pressure (top speed). Other ways to loose coolant could be a blown headgasket. You need...
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