motor boggs down sometimes

MARK TURNER

Recruit
Joined
Jun 27, 2010
Messages
2
Have a 07 50hp 2 stroke mercury
the motor runs fine most of the time but it still takes spell were it will start loosing power like a spark plug is fowling out but i put new plugs in it.and i notice that the water that squirts out of the hole to help keep it cool only comes out near to the time you start to give it gas that doesnt seem right to me.is this water flow controlled by thermostat help plz.
 
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