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Thread: Engine clicking noise

  1. #1
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    Default Engine clicking noise

    I finally got a decent video and need some advice. I am getting a constant clicking noise while WOT. I am sure this could be a million things, but maybe it sparks some idea from someone. Or at least a place to start.

    Hopefully this works.

    https://m.youtube.com/watch?feature=...&v=QiZVtwS7wgY

  2. #2
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    I could be wrong but it sounds/looks as if it is in time with the boat bouncing. Check to make sure everything is tight and has clearance under the cowling and all your cowling latches etc are not vibrating.

  3. #3
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    I had thought that as well, and it could be, but it does sound like an electrical type sound. Almost like something is sparking.

  4. #4
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    Quote Originally Posted by duckz View Post
    I had thought that as well, and it could be, but it does sound like an electrical type sound. Almost like something is sparking.
    Pull the cowling off and run it at night, see if you notice any shorts/sparking.

  5. #5
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    No sparks tonight. Any other ideas?

  6. #6
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    Check your linkages to make sure nothing is hitting when at WOT position, check all your cowling latches etc.

  7. #7
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    I watched the video but couldn't hear what you were talking about. Are you hitting the rev limiter? Your prop might have worn down enough, over time, that your WOT RPM's have climbed into the range where the rev limiter is kicking in.
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  8. #8
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    I’ll double check the cowling but it usually kicks on at 20mph plus, so if it was the cowling I would assume it would make that sound under 20mph.. The prop is a year old so I couldn’t imagine it being the issue, but maybe. And I say WOT, but even when I back off a little, it still makes that sparking sound, anywhere from 20-30mph.
    Could it be a spark plug issue?

  9. #9
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    Quote Originally Posted by Rubberhead* View Post
    I watched the video but couldn't hear what you were talking about. Are you hitting the rev limiter?
    Message me your cell number again, I’ll text you the video. Your private messages are full

  10. #10
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    Quote Originally Posted by duckz View Post
    I’ll double check the cowling but it usually kicks on at 20mph plus, so if it was the cowling I would assume it would make that sound under 20mph.. The prop is a year old so I couldn’t imagine it being the issue, but maybe. And I say WOT, but even when I back off a little, it still makes that sparking sound, anywhere from 20-30mph.
    Could it be a spark plug issue?
    It’s not terribly expensive to replace your wires and plugs for peace of mind and see if it helps.

  11. #11
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    I am going to change the plugs for sure. I have never had an issue starting it up before so it’s hard to believe it could be that, but I’m sure they are due anyway so no sweat.

  12. #12
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    Changed the plugs and lower foot oil just because it’s been a while. Plugs were nasty but I figured out the clicking noise.

    It is coming from the starter at high rpm. Seems that when the gear raises and engages it makes a clicking sound. Replace the whole starter and gear? It’s only $60 or so.
    Last edited by duckz; 06-30-2020 at 12:57 PM.

  13. #13
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    Does that make sense, I’m no expert here but why would the starter be pushing the gear up while running? I could just get the new starter, but would I need to look at anything else ?

  14. #14
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    Might be your solenoid engaging that's raising the gear that jumps up and grabs the flywheel. Just an idea.

    Hate to see you replace the starter when it's not the root cause.

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  15. #15
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    Ok Ok, I did just see something on testing the solenoid. I think I will test the first. Thanks
    Last edited by duckz; 07-03-2020 at 02:13 PM.

  16. #16
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    What am I looking for though? I guess I’m confused by this because the motor starts up just fine. Never had an issue starting, first crank every time. So if the starter or solenoid were bad, I could test voltage, but it’s getting the right amount to start the motor. It’s just an issue while running higher rpm. So if I test it, it should say that it is fine because it’s starting up no issue.
    Am I not thinking if this correctly?

  17. #17
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    Something is energizing the solenoid. probably a short or bad switch


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  18. #18
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    Could it be corroded wires? I remember checking a lot of the connections last year when I changed out the tilt motor relay, Everything was tight but maybe some corrosion on a wire from then? Battery is a year old and tight connections.
    Last edited by duckz; 07-03-2020 at 03:07 PM.

  19. #19
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    I tested a few things.. I may be doing it wrong so bare with me.

    1. I grounded black to the block, hit red against the positive terminal coming off the solenoid. It read 12.23
    2. Grounded again to block, hit red against the yellow wire on solenoid and got .01, .00 and twice got -.03 ?
    3. Lastly, I grounded black on the negative size of the starter and positive to the positive cable coming off the solenoid, it hit at 12.23

    Each time I did this, I was alone so I would turn the key to first click, then checked the voltage. Hopefully that doesn’t mess the numbers up. I never cranked the engine, or should I have been trying to fully crank it?


    What’s next!??
    Last edited by duckz; 07-04-2020 at 09:12 AM.

  20. #20
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    Pull the plug out, back down the ramp, and push it off the trailer.

    That should fix all your problems with this vessel.


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