yamaha1

tank filters sound like they may be my problem. I am going to a 210 jet and taking out those filters installing a inline thanks for the help any other info would be great

ok there is no air leak even if the air filter was removed it should not have anything to do with it unless it was plugged or restricted. an air leak or vacuum leak would be after the carb like the reed plate or so on. I guess I will check further into the jetting for las vegas with stock exhaust and see if there isnt some other problem like that TORS system or ignition problem at high rpms???????????? since im new to banshee do they rev out like a 2 stroke dirt bike ?????????? cause I dont really feel a power band I feel like it runs out of fuel right when it should be in band

stock pipes and air box if I take off the seat the air filter is in a box with no lid on it I guess it seals against the seat it has a big foam filter I dont know what jets are in it I know the bike came from michigan and is now in vegas

ok the deal is I bought the bike after it sat for about 1 year I drained the gas and cleaned the carbs and it ran but didnt seem to get more then 1/2 throttle. I found only 90 psi both cylinders so I rebuilt it and it seems to have the same problem if I shift at what seems to be early to me the bike runs hard but wide open it only runs hard for a second and then acts like its running out of gas. I rode it at dumont last weekend and it ran great just not full throttle. I am used to riding a dirtbike I dont feel the power band in my banshee and like I said acts like it runs out of gas??? please help me the bike is all stock with stock bore wisco pistons