RE: os fs 120 parts
hey jorge, the rocker arm is broke in half. what is wrong with your 120. the guy i got the goldberg 300 from, he somehow bent the push-rod on the 120. so he took the 120 out, and put a thundertiger 91 on it. a heli motor. why, i dont know. anyhow, i want to take out the heli motor , and put what is suppose to go on it. i like my toys to be perfect. the thing about 4 stroke motors, is that so many things can go wrong with them. not like a 2 stroke. do you have any o.s 91s you would like to part with? keep in touch.