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HPDI Help
Does anyone know a good Yamaha mechanic near southern Illinois. Already had it to 3 different ones and not fixed yet.
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I drive 6 hours to Legacy Marine in Grand Rivers KY. Talk to Chris. Top notch guy. I would think he should not be really far for you?
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How southern in illinois? Im in the nw corner, but my boat mechanic is too notch. Just completed full rebuilds on 2 hpdi's lately. Family business been doin it for 40yrs. Merc & yam dealer, and not a marina. May be worth the drive. Of course i dont know how close you are to hydrotec either? What issues are you having? Maybe we can help!
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Runs fine for the first run then after that it will only come up to around 2000 rpms., wont plane out
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Sounds like rev limiter (guardian mode). The question is whats causing it? Any alarms or overheats? Good water psi? Compression?
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no alarms new water pump, good comp. It's been to 3 different shops and none have been able to fix it.
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Fuel problem..either high or low pressure pump or one of the filters/injector filters
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all filters were changed,low pressure pump changed and high pressure output was ok
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Have you had the injectors checked?
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Was the fuel pressure checked when it wouldn't plane off?
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Don't be fooled by Changed Plugs. Had the same did not plane but rev to limmiter no load. First thing i Changed Plugs. Now that is out of your mind...only to find that there was
two plugs that did not spark as well as the rest. Remove one at at time keep it connected, ground the body and check the spark while running the motor.
Do that to them all. Will from now on only use Original Yami plugs made in Japan.
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