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About to pull my hair out!!!!!!!!!

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  • #31
    Starts on land, won't start in the water. Sounds to me like a carb issue. Something is making it run too rich, like leaking needles and seats, or something inside of the carbs is incorrectly installed.
    Bill O'Neal WCM
    <a href="http://www.watercraftmagic.com" target="_blank">www.watercraftmagic.com</a>

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    • #32
      Battery is 1 year old, it checks out.....ok tech, i have the linkage adjusted correctly.

      Lows at 1 1/4, highs 0.

      I am 95% sure the RV is timed within tolerance.

      I have not touched the carbs sense last season, but they were off the ski, but cover in a plastic bag.

      Oil pump is also adjusted correctley.

      (Starts and idles fine now in the water), but will not take the throttle, will not rev up and go past 10 mph thats all i got for info.

      Guess i'll go through the carbs and check the RV and cover

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      • #33
        LOL, and yes i got the bolt out......that was last year on the old motor

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        • #34
          Update!!!!!!!!!

          I ran it on the trailor for 20 miniutes, ran great, reved great.

          Took it to the lake and backed it in, started but was a pain to finally get going. So i let it idle the feathered the throttle back and forth and finally got some torque.

          Ok, i took it out and still could not get it to go past 10. Feathered the throttle and it finally took off like a raped ape.

          Ok, i played around at about 50% throttle, ran smooth(i know should not have been at 50% that soon on a new motor). But when i would let off the throttle to around 20% and try to goose it, it would stumble. If i feathered it back up to 50% it would go good.

          Questions is, i am running my oil pump on top of break in oil, on top of the storage lube that was added at the factory(and the plugs did look a bit oily)and they seem to be loading up what appears to be oil and fouling out, does this sound like the most logical thing thats wrong....or should i be looking at the carbs?

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          • #35
            Yes you should be looking at the carbs and probably replacing the needles and seats and rebuilding them too.
            Bill O'Neal WCM
            <a href="http://www.watercraftmagic.com" target="_blank">www.watercraftmagic.com</a>

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            • #36
              ok, i'll give a few more times out though before......cause they were rebiult last year and the needles and seats were replaced

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              • #37
                ok, one last brain picker? Wouldn't if the needles and seats were leaking, wouldn't i have nice shiny plugs.........mine are wet with oil, not gas.

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                • #38
                  is it any better now that you got it 50% ? BTW 50% on a new motor will not hurt ya , just dont hold it in one RPM for a long time thats bad . you do need to get it running right . if your dumping tomuch fuel in the motor you will be washing the oil away .
                  PRIDE IN SERVICE<br /> <img src="http://www.sbtontheweb.com/images/forposts/4609/1.jpg" alt=" - " />

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                  • #39
                    runs alot better at 50%, which is why im leaning towards an oil load up. It is working itself out.

                    It's all oil on the plugs, which is why i think it's that. Onlt problem i am hahing right now is it stumbles when i drop the RPMS and try to increase them quick. I pulled the plugs and there wet with oil.

                    It is getting better though, not worse. Any more opinions?

                    BTW half throttle it ran smooth and crisp, no hesitation when i goosed it to go past 50%, only when i dropped to around 3500-4000 RPM and tryed to goose it was when it stumbled...about 2 seconds of WOT i hit 57, then i let up to 20% and i had to feather it to get it back up.......but it seems to be improving the more i ride it and clean/change plugs.

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                    • #40
                      BTW, i snipped the plugs wires.....that made a little difference

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                      • #41
                        how old is the fuel ? i would go though your carbs if you never did , always rebuild your carbs if you install a new motor . if there clean atleast you know they are , if there not you will damage the new motor .
                        PRIDE IN SERVICE<br /> <img src="http://www.sbtontheweb.com/images/forposts/4609/1.jpg" alt=" - " />

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                        • #42
                          Run it with a leaky needle and seat and you'll be sending your motor back to SBT for another one. Just from past experience.
                          When you run it on dry land, is there any oil sludge coming out the exhaust? If so, need to redo your carbs.
                          SHOOTER

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                          • #43
                            Guys, i posted that they were rebuilt and the needles and seats were replaced towards the end of last season.......they were off the ski with no fuel in them in a plastic bag. Nothing has been altered on them.

                            Do you really think this is a carb problem?

                            It ran fine when i tore it down at the end of the year to get it ready for the new motor......

                            I can't believe this is a carb problem since they were gone through pretty recentley.

                            Airleak, timing?

                            Hell, i don't know, i'm baffled.

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                            • #44
                              And no SHOOTER.......no sludge

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                              • #45
                                No, it is not an air leak or timing problem.

                                How could you have gas only on the plugs? The oil and gas mix before they reach the plugs.

                                Everything you have written points to an overly rich fuel condition, or some really weak spark.

                                I'd go with rebuilding the carbs, using a pop off guage BEFORE I tore them down to see if they leaked.
                                Bill O'Neal WCM
                                <a href="http://www.watercraftmagic.com" target="_blank">www.watercraftmagic.com</a>

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