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  1. J

    2005 Yamaha F115 won't run above idle.

    Launched boat for the first time in 6 months. Had filled the tank with Ethanol-free gas. Engine started fine and idled fine. However, as soon as I tried to increase RPM engine ran extremely rough for several seconds then died. It would immediately start and idle fine but run rough and die...
  2. J

    Using an impact wrench.

    When replacing a stator on an F115, for example, can I use an impact wrench to loosen the 36mm nut that holds the flywheel on. I don't want to damage the crankshaft or any component attached to it. Thank you in advance.
  3. J

    2005 Yamaha F115 post correction.

    I made a mistake. The plug into the VRR was still the original plug. So the plug had not burned 'again'. Tomorrow I will remove the VRR and check its output port.
  4. J

    2005 Yamaha F115 charging problem.

    My F115TLRD charging system failed. I removed the Voltage Rectifier/Regulator (VRR) and noticed a spot on the back of it that indicated that it had overheated. The ground terminal on the plug was burned - melted plastic and blackened terminal. I did a stationary test on the stator and the...
  5. J

    2005 Yamaha F115 charging voltage

    I want to install a voltmeter to monitor the charging voltage. What is the maximum voltage I can expect to see for this engine?
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