Wish-I-Were-Fishn Posted June 10, 2010 Share Posted June 10, 2010 How often should you change the plugs in a 50hp Yamaha 2 stroke? Quote Link to comment Share on other sites More sharing options...
SkunkedAgain Posted June 10, 2010 Share Posted June 10, 2010 It more depends on the hours that you put on your motor and how the motor is running. If it's running rich, you'll want to correct that and change the plugs more often. Most of my motors get a new set of plugs after the season's first tank of gas has run through. Quote Link to comment Share on other sites More sharing options...
marine_man Posted June 10, 2010 Share Posted June 10, 2010 If it were me and your motor is running fine I wouldn't worry about it.... maybe once every 3-5 years?marine_man Quote Link to comment Share on other sites More sharing options...
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