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Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1009
Experience:  25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified
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I have 1985 70hp evinrude outboard. Water does not come out

Customer Question

Hi i have 1985 70hp evinrude outboard. Water does not come out of motor to keep cool. After min or two motor starts to race. Let cool down run good for first few min. Thanks.
Submitted: 1 year ago.
Category: Boat
Expert:  Jeff G. replied 1 year ago.

When was the last time the water pump was rebuilt? What is happening is the motor is getting hot, vaporizing and leaning the fuel causing the higher rpm. Do not use the engine until the water pump is rebuilt and the thermostat checked/ replaced.

Too lean of a condition and you can severely damage the engine.

Post back with further questions on this and about the pump.