F
foyeburger
Guest
hi all need some help here . i got this knock in the engine runs fine just has this kinda knock in it and the engine will jerk to the left a tad. the engine does not have to be running either i can pull in the cluch and lock it and move the bike back and forth and hear this knock which jerks the engine slight ly to the left then back roll some more about 10 feet then klunk and jerk and back again any body got any ideas ive checked all the nuts and bolts motor mounts i cannot figure it out i took the plug out and whatched the piston go up and down seems to be ok. im wondering if it not some kinda roller bearing just wondering if anybodys ran across this . i have another engine replacement motor but its my back up just in case but any idea would most be appriciated larry ca