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Ultra 150 starting problem *beware long post*

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  • Ultra 150 starting problem *beware long post*

    Hey guys,

    Before summer gets too close I wanted to get this problem fixed. On my 01 Ultra I spent last summer/spring rebuilding my motor (all new top end, rebuilt carb, fuel pump, fuel lines, oil lines, new oil pump new pump bearings, new water lines). It had around 180 hrs and 90psi on all three so I figured it was time for an overhaul. When I took it down to the Ozarks, where i put about 7 hours (including break in time) on it, it ran perfect. When I brought it back to Kansas and took it out again, I was getting that starter clicking noise every once in awhile, but no cranking. Sometimes I would push the stater button 20-30 times to get it started other times it would start right up. Also sometimes it would bog down after starting and only rev to 4k rpms and 12 mph at full throttle. Other times it would bog down a bit then take of like a jet like it should. My question is, do I have a starter problem, where the starter isn't disengaging and its only allowing the motor to spin as fast as the starter? Out of water she revs to 7000 rpm's like it should, all "pissers" are peeing like they should. Any idea where I should start? If its electrical please be detailed. I hate dealing with electrical problems! I think its either relay box in back or starter but not sure.

    Also side note, when I run the recommended br9es plugs (or br8es I can't remember) it bogs real bad and I get a lot of fuel/oil build up on them, when I run the next "hotter" plug I think the br8's it runs fine. Any ideas on that?

    Sorry for long post but hey gives you guys something to read at work

    Any help is appreciated thanks guys!

  • #2
    Sounds like you need to go back to the Ozarks!

    The clicking when you hit the Start button means that it's not getting enough current to the starter. Weak battery, dirty connections (including ground to the engine block), etc.

    The bogging sounds like a fouled spark plug, possibly because it's too rich.
    '15 Kawi Ultra 310X
    '99 Kawi Ultra 150 (2)
    '10 Kawi Ultra LX, '13 Kawi Ultra LX, '13 Kawi Ultra LX parts 'Ski
    '04 Kawi STX 15-F, '06 STX 15-F (2)
    '91 Kawi Jet Mate
    '97 Yamaha Exciter 220 (Boat)
    '99 Yamaha Exciter 270 (Boat)
    '78 Nacra 5.2 Catamaran
    '05 Windrider WR-10 Trimaran, '05 Windrider WR-16 Trimaran
    ... and that's just the boats! I'm living proof that you can have too many toys!

    Comment


    • #3
      Stock carbs? are choke plates in correct postion?
      Had to be there - and there.

      Comment


      • #4
        Depends where the "clicking" noise is comming from. If it comming from the back of the ski, its the starter relay. If its comming from the front of the ski, its the front electronics module. Pray the clicking is coming from the back because the ecm is expensive.
        The bog, spark plugs most likely.

        Comment


        • #5
          If you buy new those trim/starter modules are expensive, but you can find used for a descent price.(box located on the steering support) But splishsplash is 100% right, where is the clicking come from?

          Comment


          • #6
            Clicking noise is coming from the back starter relay box. I've had it out and it wasn't full of water or fried or anything. I guessing there could be a loose connection somewhere. I haven't had time to go back home and look at it ( I'm in college). You don't think I need to worry about the starter itself though?

            Put in new battery last summer so i know that's good.

            Also stock carbs are rebuilt, they were all corroded and nasty when I took them out last winter, surprised the thing even ran they were so bad. Not sure about the choke plate position? Can you elaborate on that please?
            I could see the plugs getting fouled because I mixed 40:1 gas plus my oil pump ( wanted to be extra cautious when breaking it in lol)

            Thanks for the insight guys

            Comment


            • #7
              New battery last summer? Did you charge it periodically over the winter? If not, it's toast.
              '15 Kawi Ultra 310X
              '99 Kawi Ultra 150 (2)
              '10 Kawi Ultra LX, '13 Kawi Ultra LX, '13 Kawi Ultra LX parts 'Ski
              '04 Kawi STX 15-F, '06 STX 15-F (2)
              '91 Kawi Jet Mate
              '97 Yamaha Exciter 220 (Boat)
              '99 Yamaha Exciter 270 (Boat)
              '78 Nacra 5.2 Catamaran
              '05 Windrider WR-10 Trimaran, '05 Windrider WR-16 Trimaran
              ... and that's just the boats! I'm living proof that you can have too many toys!

              Comment


              • #8
                Originally posted by Kansas Kid33 View Post
                Clicking noise is coming from the back starter relay box. I've had it out and it wasn't full of water or fried or anything. I guessing there could be a loose connection somewhere. I haven't had time to go back home and look at it ( I'm in college). You don't think I need to worry about the starter itself though?

                Put in new battery last summer so i know that's good.

                Also stock carbs are rebuilt, they were all corroded and nasty when I took them out last winter, surprised the thing even ran they were so bad. Not sure about the choke plate position? Can you elaborate on that please?
                I could see the plugs getting fouled because I mixed 40:1 gas plus my oil pump ( wanted to be extra cautious when breaking it in lol)

                Thanks for the insight guys
                Choke is operated by a cable that runs to the handle on the side of the ski. The plates should move about 90 degrees when you move the handle on the side of the ski. Easiest way to check that they are open is with the flame arrestor off. With out removing the flame arrestor you could watch the shaft and make sure that it is moving when you turn the lever. Mine got stuck at the carbs and even though the cable was moving the plates stayed closed.
                Had to be there - and there.

                Comment


                • #9
                  Originally posted by steve45 View Post
                  New battery last summer? Did you charge it periodically over the winter? If not, it's toast.
                  Yup trickle charged it a couple of times this winter

                  Comment


                  • #10
                    Originally posted by Kansas Kid33 View Post
                    Clicking noise is coming from the back starter relay box. I've had it out and it wasn't full of water or fried or anything. I guessing there could be a loose connection somewhere. I haven't had time to go back home and look at it ( I'm in college). You don't think I need to worry about the starter itself though?

                    Put in new battery last summer so i know that's good.

                    Also stock carbs are rebuilt, they were all corroded and nasty when I took them out last winter, surprised the thing even ran they were so bad. Not sure about the choke plate position? Can you elaborate on that please?
                    I could see the plugs getting fouled because I mixed 40:1 gas plus my oil pump ( wanted to be extra cautious when breaking it in lol)

                    Thanks for the insight guys
                    Did you premix gas at 40:1 and running Oil injection?
                    whats your compression #s ???
                    A year old battery does not mean its good, whats the Volt reading? should be above 12V? if so Solnoid is probobly your issue, they are known to go bad.
                    Honda F15X Stage 2, Stage 3 overbore .5 aftermarket dbl. valve spring kit, owned about all jet skis since the dawn they where created.:yay2:

                    Comment


                    • #11
                      Originally posted by Derek45 View Post
                      Originally posted by Kansas Kid33 View Post
                      Clicking noise is coming from the back starter relay box. I've had it out and it wasn't full of water or fried or anything. I guessing there could be a loose connection somewhere. I haven't had time to go back home and look at it ( I'm in college). You don't think I need to worry about the starter itself though?

                      Put in new battery last summer so i know that's good.

                      Also stock carbs are rebuilt, they were all corroded and nasty when I took them out last winter, surprised the thing even ran they were so bad. Not sure about the choke plate position? Can you elaborate on that please?
                      I could see the plugs getting fouled because I mixed 40:1 gas plus my oil pump ( wanted to be extra cautious when breaking it in lol)

                      Thanks for the insight guys
                      Did you premix gas at 40:1 and running Oil injection?
                      whats your compression #s ???
                      A year old battery does not mean its good, whats the Volt reading? should be above 12V? if so Solnoid is probobly your issue, they are known to go bad.
                      Yes, I premixed the gas 40:1 while running oil injection. My compression numbers were 120 119 120 so compression is holding great. What is the best way to pin point the problem?

                      Comment


                      • #12
                        why are you Premixing 40;1 and running oil injection? Im saprised your not oil fouling the plugs, if you want to premix take the injection out and block it off, may solve your issue ,to little oil or way to much oil is never good
                        Honda F15X Stage 2, Stage 3 overbore .5 aftermarket dbl. valve spring kit, owned about all jet skis since the dawn they where created.:yay2:

                        Comment


                        • #13
                          Originally posted by derek45 View Post
                          why are you premixing 40;1 and running oil injection? Im saprised your not oil fouling the plugs, if you want to premix take the injection out and block it off, may solve your issue ,to little oil or way to much oil is never good
                          do not remove the oil injection on an ultra 150!!!
                          '15 Kawi Ultra 310X
                          '99 Kawi Ultra 150 (2)
                          '10 Kawi Ultra LX, '13 Kawi Ultra LX, '13 Kawi Ultra LX parts 'Ski
                          '04 Kawi STX 15-F, '06 STX 15-F (2)
                          '91 Kawi Jet Mate
                          '97 Yamaha Exciter 220 (Boat)
                          '99 Yamaha Exciter 270 (Boat)
                          '78 Nacra 5.2 Catamaran
                          '05 Windrider WR-10 Trimaran, '05 Windrider WR-16 Trimaran
                          ... and that's just the boats! I'm living proof that you can have too many toys!

                          Comment


                          • #14
                            Originally posted by steve45 View Post
                            Originally posted by derek45 View Post
                            why are you premixing 40;1 and running oil injection? Im saprised your not oil fouling the plugs, if you want to premix take the injection out and block it off, may solve your issue ,to little oil or way to much oil is never good
                            do not remove the oil injection on an ultra 150!!!
                            well he better cut back on the oil adding to the gas to just a few ounces then.
                            Honda F15X Stage 2, Stage 3 overbore .5 aftermarket dbl. valve spring kit, owned about all jet skis since the dawn they where created.:yay2:

                            Comment


                            • #15
                              I just premixed 40:1 with the oil injection during the break in just to be safe. I replaced all of the oil lines and put a new oil pump in so I wanted to be sure my engine was getting oil incase a line came loose or the new pump didn't work. I did foul a few plugs in the process. I think i found my problem bogging problem. I've been running 91 gas with a hotter plug. That with the fouled plugs is most likely what is causing the machine to bog down for awhile. As for my "clicking noise" as I hit the start, could that be caused by low voltage in the battery? Say below 11.5v? I completely charged the battery last weekend and threw it in the ski and it cranked over every time I hit the start button. I'm thinking if theres not over 12v going to the ski it won't even try to start. Has anyone else had this sort of problem?

                              All in all I'm ready to get the ski out of the garage and on the water! Now if Kansas could only get a little rain to fill the lakes back up

                              Comment

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