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  1. M

    1999 Merc Optimax 200 hp. Running great then shuts off with no overheat alarm...

    I have a mercury optimax 200hp Outboard. Motor has been running great the past 8 times i have taken it out. No problems at all... Cranks right up and gets well over 5000 rpms at WOT... Running it in the gulf all day and was running great then all of a sudden dies like someone pulled the kill...
  2. M

    Tachometer

    Cant get a good tachometer reading. The tach just sits on 7000 when the motor is in idle but the motor is running very quiet so i know its not at 7000. it moves only a hair when i turn the motor off to about 6800 so i think i need a new one because i bought one about 3 years ago used so i think...
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