Yamaha 25 hp loosing RPM

troy994719

Recruit
Joined
Aug 30, 2005
Messages
5
Hello<br />recently i purchased a 1997 c25mlhv outboard used, after running wide open throttle ocasionally it will drop down to about 3000 rpm and looses power. i have replaced the plugs, water pump and thermostat. any suggestions?
 
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