i run a 1966 johnson 20h----model-fd20
?? first number is size and second is pitch rite ?
need a new one for my motor,it currently has a 9x9
they offer 9x9..9x91/4,,,9x10,,,9x11 the 9x9 just isnt what it should be,,,,im not looking for qwiker hole shot or nothing but will the higher number...