50 hp Mainer

[jam]

"Engine cold starts and runs o

"Engine cold starts and runs on all 3 cylinders.
after a short time one cylinder stars cutting out Intermintenly kicking in and out. Plugs of right heat range were replaced, plug leads replaced,2 coils were replaced,and switch box.

Both carbs cleaned and fuelpump rebuilt. All fuel lines and pulse line replaced.

I need help" jam}"

 

[beckerjs]

"1. put a timing light on it t

"1. put a timing light on it to see if it has spark and to Identify which cyl.

2. remove air box if equiped, look down each carb and pump the fuel bulb to see if any fuel is dripping out of carbs(stuck float or bad needle and seat)"