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  1. C

    Can lower OPEN value of overheating sensor, sound false alarm?

    I have problem with my outboard. I dont know is it cooling system or sensor. I dont know is the alarm that I get, false or positive. After 2minutes working on 95% of full throttle, I get buzzer alarm and the engine go to 50% throttle. I measure overheat sensor, when sensor close and open. 1...
  2. C

    2002 Tohatsu M70C Problem with overheating sensor or engine itself?

    Hello friends. Sorry if my English is bad. Today I take from engine overheat sensor, and meassure when sensor close and open. 1. it CLOSE at 125'C (257F) 2. and it OPEN 85'C (185F) (4x times I messured that and one time 100 'C) In manual, I read it should be 110'C (open). How sensor works...
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