70's dirtbike

does anyone know nething about the 70s dirtbikes? i was told 72, 74, and 79. i have no idea what model it is. from my guess i would say that it is a sr or a kd. also i need parts! a piston mainly. will post picture if anyone can help

Post a pic and I'll seen if I can help.

If you can, please post a picture.

since there is no picture yet my pshycic abilities tell me its a 74 ke 100. lol

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