I have a kings motorbike engine. Here is my situation. When the bike is going up a hill, It is fine. But when I am on a level surface or going down a hill, the engine acts like it wants to cut out at high rpm. If I dont turn the throttle way down it bogs down but yet it almost seems electrical to me. It bogs for a little bit then jumps right back in. Ive checked for air leakage and checked the wiring 3 times. Even changed the spark plug. This bike now has about 1000 miles on it and I am just frustrated. This just started last week. It works great at low to mid rpm, but I cant open it up. It acts like It wants to bog out. But like I said it sounds and feels electrical to me.