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    2009 Yamaha 225 HPDI Losing Power

    Been trying to track down why motor has lost power. Will not rev over 2800rpm. Doesn’t miss or sputter. So far I have changed VST filter, intermediate pressure inline filter, filter before low pressure pumps. Under running conditions, 2800rpm, intermediate pressure is solid at 50psi. High...
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    Muffs and Low Water Pick-up

    What's the best style ear muffs to use on a 225HPDI with the low water pick-up? I have the round suction cup type and they just don't seal very well. Any suggestions??
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    Speedo Connection

    I have a 2008 Yamaha 225 HPDI and plan to drop the lower unit to replace the water pump. I assume that I need to disconnect the speedo tube but I'm not sure where the connection is. I did this before on a 150 but the connection was on the front side of the lower unit above the split line...
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    1991 c115tlrp voltage Regulator

    I have a 1991 Yamaha C115tlpr motor. I have been having some problems with holding a charge/charging my cranking battery. I notice that the maximum voltage on my volt meter is 13 volts with motor rpm above 2000. I would think that the voltage should be closer to 14 volts. Can anyone comment...
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    Yamaha Prop Shaft Seal Replacement

    I recently noticed a small amount of oil leaking from my prop. shaft of my 1991 Yamaha C115. I purchased replacement oil seals but am a bit concerned about how to go about relacing them. Can they be removed and replaced without removing the prop shaft bearing carriage? How do I go about...
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