2000 150 HP Johnson commercial runs rough

IGWT

Cadet
Joined
Jul 11, 2010
Messages
15
The motor idles fine on ear muffs but doe not accelerate well in nutural, when in the water does not idle well and turns off when try to put in gear to move. We emptied the drain screws to the carbs, took the water out of the water separator. Don't know where to start with this one. This is a 150 commercial motor.
 
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