This is how this engine was acquired. No idea of history. They are all "buy it now" priced. Sorry for this.
1970 HONDA CT70 TRAIL ENGINE MOTOR PISTON CYLINDERS BLOCK
Engine Motor Drive Sprocket 15T 1974 Honda CT90 CT Trail 90
Engine Motor Drive Sprocket 15T 1971 Honda CT90 CT Trail 90
Lifan 125cc Engine Motor Electric Start For Honda Trail CT70 CT90 110 ATC70 Z50
110cc Kick Start CDI Engine Motor Kit For Honda Trail CT70 CRF50 CRF70 Pit Bike
140cc Engine Motor Complete kit for Trail Bike Honda Monkey SSR YX140 CT70 CRF70
