4 Stroke gasoline hand crank engine model with actuating movable parts to demonstrate engine basics - 350mm in height. The perfect model for a student of the automotive world or an automotive enthusiast. This model works by cranking the main shaft by hand which then actuates all the parts of the motor to show the functioning stages of a 4 stroke gasoline motor firing. Ignition is shown via a small bulb which can be activated by using 2 x AA Batteries (not included). The light illuminates on a compression stroke.

• Functioning Moving Parts: Crankshaft, camshaft, drive gear, timing gear, connecting rods, piston, intake/exhaust valves, rocker arms, push rods, throttle valve, float
• Made of cast alloys and abs plastic
• Height: 350mm

AA Batteries are available to purchase separately (B8R05078).