Simple, reliable commuter, shares a chassis with FS1E moped (motors swap!). Runs to 30k, rebore’s needed (small-ends next to go). Sign of high mileage’s lots of smog and a nasty gearbox. Chassis and electrical rot are problems on the really old ones. Poor starting may just be a shot condensor.
1974-92, 97cc t/s single, 10hp 65mph 80mpg 190lb