hi, i got this fzr 400 1wg engine and for the life of me i cant get the timing of the engine correct . I line piston #1 at tdc with the mark on the chasis and i have installed the cams in the correct place but im still not getting any joy !!i dont know if im doing somit wrong ? it ran great b4 i took the head off to do some cosmetic work to it .With it being old do i have to line the tdc mark on the chasis up different with the fly wheel. any helpwould be realy apprecated as ive ran out of cash so i have to have a pop at it my self