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Author	Topic:   Gauges For Mercury 225 Four-stroke
HollisSC	posted 06-26-2007 04:49 PM ET (US)         Which gauges will work with [a Mercury 225-HP four-stroke] motor? Any experience with NMEA 2000 [networks], Lowrance gauges, or Yamaha [gauges]?
handn	posted 06-26-2007 08:10 PM ET (US)             This is a Yamaha motor so of course Yamaha gauges will work. No Smartcraft or NMEA interface. Don't know about Lowrance. Some fishfinders have a battery voltage reading and this should interface with the EFI 225 four-stroke. Mercury analog gauges will also work, although the Mercury gauge setup eliminates the Yamaha audible warning for temp. and low oil pressure.
jimh	posted 06-27-2007 12:43 AM ET (US)             The Mercury-branded but Yamaha-made 225-HP four-stroke is something of an orphan motor. It does not embrace the Mercury SmartCraft instrument system, so none of those gauges are useful. It is not NMEA-2000 certified--no Mercury motors are--so all of the LOWRANCE instruments are of no use, as well. Your best bet for instrumentation for this motor is traditional individual analogue gauges. I don't know the details of the harness connectors, so the Yamaha-made gauges may not be able to be just plugged in and work.
HollisSC	posted 06-27-2007 01:20 AM ET (US)             How about lowrance NMEA 200 gauges and sensors, or lowrance sensors (nmea 2000)with Yamaha command gauges.
jimh	posted 06-27-2007 05:21 PM ET (US)             Read my reply above.

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