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  1. M

    Heat sensor

    Friend of mine has 200hp Mercury outboard and at 3500 rpm's the overheating buzzer sounds. Changed impellar and all parts with kit. Replaced thermostats (2) and still buzzing. Could this be a heat sensor bad and is it located just below top plug on right side of motor looking from the rear of...
  2. M

    buzzer sound

    have 1989 Mercury xr2 150. When switch is switched on buzzer does mormal, couple short beeps. When boat planes out and you reach say 45-50 miles per hour start getting short beeps several times toward fishing hole. Stop and fish take off to new location and run the dog out of it no beeping...
  3. M

    buzzer sound

    have a 1989 mercury 150 xr 2. The main oil tank is full and the small tank on side of engine is full. When boat is runing from 20 mps to full throttle there is a small beeping sound coming from console. Tookthe cap off the oil tank on engine and noticed that the small cork gasket on the oil...
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