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    Mercury 40 4hp 2cyl, 2 cycle will not shift after water pump change.

    I have a 1973 Mercury 40 (GNAT) 4hp that will not shift after i replaced the water pump impeller. Is there a secret to how the shift rod needs to be positioned into the gear case to allow for Neutral/Forward shifting?? Thanks for any help on this issue. Hank
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    Yamaha wiring harness

    Help: I am installing a 2001 yamaha sx250 on my 23 Mako. This is a re-power and the boat's dash has an HOUR METER, VOLT METER and FUEL GAUGE already installed. I wish to use these gauges in place of the Yamaha Multi gauge. Will only use the Yamaha Digital Tack. Question, how do I wire in the...
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    Mercury 40 4hp (GNAT)

    Help. I just got a Merc 40 4hp (GNAT) that is in great shape. The engine has not been used in many years. Put fuel in and it started right up but no evidence of water pumping through engine. Shut down and pulled lower unit, found pump impeller in pieces (looks like dry rot). Cleaned...
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