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  1. They do that (LR503) being intermittent, when...

    They do that (LR503) being intermittent, when they go faulty, I would look into replacing or fixing it before it dies on you while stranded on an exotic and a remote island in the ocean surrounded by...
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    Nope, not directly related that would cause...

    Nope, not directly related that would cause voltage drop across the injectors. TPS' voltage is a separate thing. Should focus on stator or CPS I would think as your power source is not consistent.
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    "Check Engine" warning message will NOT be...

    "Check Engine" warning message will NOT be displayed if EMM is getting too hot, it will only display it if the temp sensor in the exhaust reads T as too hot. One of the signs that EMM is getting hot...
  4. It sounds like a bad TPS or spark plug

    It sounds like a bad TPS or spark plug
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    Is it the same fuel in tank now and before these...

    Is it the same fuel in tank now and before these issues?
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    I would replace the LR 503 module first, if that...

    I would replace the LR 503 module first, if that does not fix it I would trace and check :

    -orange wire from LR module to (orange wires) splice,
    -2 x orange wires from that splice to handle bar...
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    Welcome to GH! It seems that you have few...

    Welcome to GH!

    It seems that you have few issues here and I would say they are possibly related. Starting with EMM, if the ski starts and will run while holding the throttle open, I would say the...
  8. Sticky: Great info. Thanx.:)

    Great info. Thanx.:)
  9. Welcome to GH. It could be a tricky job to fix...

    Welcome to GH.

    It could be a tricky job to fix this. I would open EMM and solder a jumper wire on PCB between unused pin 39 to # 40s copper trace on the board near the connector..
    It would also...
  10. Possible but unlikely that pin (socket) 5 is not...

    Possible but unlikely that pin (socket) 5 is not inside the 40 Deutsch connector or that somebody before had removed it. Black wire #24 is present and inside the connector? If so, you will need to...
  11. Looks like you have some wiring issues there....

    Looks like you have some wiring issues there. Locate and open the black cable splice of four black wires as per electrical block diagram. Remove the big 40 pin from EMM and measure the resistance...
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    FS Thanks for pointing out on this bug. The images...

    Thanks for pointing out on this bug. The images should be visible now.

    Cheers
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    FS Yes, I have one pigtail and one non-pigtail style...

    Yes, I have one pigtail and one non-pigtail style TPS.
    All prices include international shipping including US.
    I am using Chrome browser and can see the two attached photos....@K447, are you using...
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    FS TPS & LR503 Sale

    http://greenhulk.net/forums/attachment.php?attachmentid=461091&stc=1http://greenhulk.net/forums/attachment.php?attachmentid=461092&stc=1
    ...
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    Not likely. You said that one spark is weak and...

    Not likely. You said that one spark is weak and the other one is good. Did you have observe the colour and the size of the spark while the spark plug shorted on engine block and outside the cylinder...
  16. I would start with the obvious and fix the very...

    I would start with the obvious and fix the very important white/red wire and the large capacitor....
    If you remove big 40 pin connector from EMM (undo 4mm alen first) you will end up with the...
  17. Although just outside the spec I would say the...

    Although just outside the spec I would say the sensors are ok. I would look for a spare exhaust temp sensor and try out. Was this a salt water ski, is the wiring in generally good condition? Have you...
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    Yes, the lowest octane gasoline we get here is...

    Yes, the lowest octane gasoline we get here is 91. 95 or 98 octane is recommended for newer type of vehicles. In ethanol range we get E10 (marketed as 94 octane) and E85 (marketed as 105 octane)....
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    Thanks, years ago I did try 91,95 and 98 (all...

    Thanks, years ago I did try 91,95 and 98 (all ethanol free) octane petrol in my DI engines. I didn't notice much difference in performance between 95 and 98 while 91 was very close. The riding...
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    So how can fuel pre ignite without spark? By...

    So how can fuel pre ignite without spark? By excessive heat? I know diesel would ignite on high pressure but not gas/petrol?
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    Why is that?

    Why is that?
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    FS looking for a 12 vane stator....missed out on K's...

    looking for a 12 vane stator....missed out on K's stator when he moved to 4 strokes
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    If you end up having a bad TPS I have one spare....

    If you end up having a bad TPS I have one spare. PM if interested
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    Have you torqued the 2 bolts as per the book's...

    Have you torqued the 2 bolts as per the book's specs? Have you tried having TPS in your hand and move the shaft with your fingers while engine is working? Does the ski start without TPS plugged in...
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    If ain't broken don't fix it... but either way do...

    If ain't broken don't fix it... but either way do not use WD40 or similar oil based products on electrical connectors. Oil is an insulator and the electrical connectors don't like it. There is a...
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