i had problems before with it running put new airfilter and box cover on new spark plug and soaked and cleaned carb out , link to prblems before here,http://forums.atvconnection.com/yama...-starting.html

but now im getting very little to no spark help please., iv put alot of money and time into this bike , i really dont want my time and money to go to waste on this beautiful piece of atc history,. could it be the coil or cdi box ?