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  1. #31
    Wrench's Avatar
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    Yep, Iíve done the base gasket backwards screw up before. Ran fine on the trailer. Backed it in the water and instantly hydro locked the engine. I take pictures of every step just in case there is an issue.
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  2. #32
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    Well I got the motor back together and it still will not start. Just back fires.....one of which was so loud my ears are ringing and it blew the coupling off the bottom of the stinger pipe. How common is it for these to shear the magneto key? It’s acting like the timing is off.

  3. #33
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    As a reminder, the stealership that looked at this before me said it needed a new throttle body assembly. Codes were: TPS, battery voltage, engine temp sensor, stepping motor, and pulsor coil code.

    I don't know where to go from here. It has spark, compression, and fuel. From all the smoking and back fires I think it has a timing issue like I said above. If I just crank the engine without giving it gas it will crank and crank and just smoke. If I give it any throttle it will back fire.

  4. #34
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    I checked the back of the ecm to see if any of those capacitors were burnt up. They all look good. The owner did tell me the gas in it is the same gas that was in it when it stopped running last year. I would like to think the gas is bad, but it is just hard for me to believe it wouldn't even start on that gas.

    Also found last night that the last back fire blew up the plastic resonator box, so now I gotta find one of those or a free flow hose.
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  5. #35
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    I found this diode shoved in the back of the plug where the cat sensor used to go. Could this cause all the codes it had?
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  6. #36
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    Quote Originally Posted by Wrench View Post
    I found this diode shoved in the back of the plug where the cat sensor used to go. Could this cause all the codes it had?
    Nope - the resistor is just there to quell the alarm that would otherwise sound with the cat removed.

  7. #37
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    Thank you

  8. #38
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    Thank you. If they go bad would the alarm then sound or cause issues like I am seeing where it won't start?


  9. #39
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    No, it would just beep obnoxiously.

    The interesting thing that you mentioned in this post is that the backfires occur when you feather the throttle, right? A unique thing about the 1300r is that it disrupts fuel or spark (both maybe?) when throttle is depressed in the starting sequence. Only way to start a 1300 is with no throttle applied. Pretty sure it only disrupts fuel, but someone can fact check me on that.

    Really unlikely culprit, but you're not holding down the throttle when trying to start it, are you?

    Is it a new TPS?

  10. #40
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    I have tried both. When the throttle is given, it backfires. When no throttle, nothing just cranking.

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