so my buddy looped his 01 gsxr 750 but jus all cosmetic damage but now im rebulilding it and it started but it back fires before it starts then starts but then once i shut it off it does it again till i keep doin it then battery dies after i have it run a few times? i dont have any clue? as i was replacing the tail he has a power comander and its all hooked up right but his rectafire thing is unpluged and dont plug in any where where it fits? thought that was odd please help me thanks alot!
any answers would help me im new to this site thanks