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    Voltage at Battery Terminal when boat motor is running?

    I am getting 14.9 at idle now. and 15 v at full throttle on a 2003 Yamaha 150 two stroke. is that OK?
  2. B

    battery Volts go to 14.9/15 at idle

    I have a 2003 Yamha two stroke 150 (150TXRB) outboard that runs great. Yesterday for the first time, I noticed my boat voltmeter gauge reading 15 volts at full throttle. Today at idle, it read 14.9. While on my trickle charger is reads 13.6. Everything is working but why are my volt numbers so...
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