I have a 98 350 with the same problem it falls on its face just past about mid range. I have cleaned the entire fuel system and even replaced the black exciter box i am stuck at this point not sure if this machine has a rev. Control.hope someone has seen a cure for this.
2001 Yamaha Big Bear - Studdering
in Yamaha ATV Forum
Posted
I have a 98 350 with the same problem it falls on its face just past about mid range. I have cleaned the entire fuel system and even replaced the black exciter box i am stuck at this point not sure if this machine has a rev. Control.hope someone has seen a cure for this.