CharlieHustle New Member Dec 3, 2017 #1 i recently built a 4 stroke ghost racer kit i put a speed carb on it first and she was fine until i changed the exhaust. i used the exhaust off a 2 stroke what can i do to fix this besides going back to stock exhaust.
i recently built a 4 stroke ghost racer kit i put a speed carb on it first and she was fine until i changed the exhaust. i used the exhaust off a 2 stroke what can i do to fix this besides going back to stock exhaust.
