My 15 hp yamaha 1990 electric is flooding , i looked in yamaha parts catalog for carb kit and it lists 2 different carb assembly, 2 diff main jets. # 104 and # 136 . which one should i get and why? thanks
I have a used 15 hp Yamaha, don't know the year. how do i tell from serial no. it starts good runs nice and smooth , until i put it in gear, will not open up, just boggs down? cleaned and checked carb . ?