i have a 1978 yz100 that has a brand new top end. i dont know if the motor runs but everything looks great and should start. only thing missing is a pipe and a kick starter.everything else is stock and great shape. 500 obo i live in warminster pa right out side of philly. i could get pics if anyone is interested. my email is trx450r1989@yahoo.com or call me 215 264 3584 or pm me or just replay. thank you