Separate names with a comma.
Discussion in 'Outboard Maintenance' started by fanofjohnwayne, Mar 1, 2010.
My 1990 Yamaha 9.9 2 stroke keeps fouling plugs. What causes that?
try different oils ... and only run Real fresh gas ... Less than a week old ...
ask me how i Know LOL [smiley=fun_84.gif]
If you are using a "hotter" plug try going back to the standard one recommended for your engine