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  1. Z

    Yamaha 25hp thermostat

    Howdy. Just changed my water pump and thermostat in a 1997 C25. Initially I had no water out the pisser; long story short - I tested the thermostat and it isn't opening until 160 degrees. I'm too much of a wuss to let it run that hot. My manual says it should open between 110-140 degrees. My...
  2. Z

    Yamaha C25

    Howdy. Can anyone tell me the fuel/oil ratio for a 1993 and 1994 Yamaha C25? I've been told both 50:1 and 100:1 - so I'm a little confused. Thanks in advance!
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