Physical description
Model 4-stroke motor with one side cut away to show exhaust valve and cam shaft below. Crankshaft below cutaway piston. Bolted on to a wooden block. used for teaching Arboriculture.
Model 4-stroke motor with one side cut away to show exhaust valve and cam shaft below. Crankshaft below cutaway piston. Bolted on to a wooden block. used for teaching Arboriculture.