Hello, I just picked up an older Yamaha 80 for my daughter. Im not sure what it is,and would like to keep it so Im posting up here for support.I will try to load a pic, but here is what I have as far as info on the bike.

The bike says "80" on exhaust pipe

Numbers on bike and motor say "367-000816"

Its has a torn sticker on injector tank(?) says "Torque Induction"

Numbers on Exhaust pipe say =

Yamaha Krizman Sparkarrester

Model KS-250

Approved U.S. Forest Service

Any help identifying the bike would be greatly appreciated

i used to have a road legal ty 50 that shared similarity's with your bike.

1974 Yamaha GT80A