Side-valve four-stroke engine

Side-valve four-stroke engine

Cutaway Model Side-valve four-stroke engine

This is a unit engine with the camshaft positioned at the bottom.

Functions:

• Turn the star handle (crankshaft), the piston moves up and down
• The camshaft at the bottom is driven and opens the valves
• Intake, compression, working and ejection
• Function of the magnetic ignition with interrupter or breakerless
• Starting of the engine via manual starter
• Function of air filter, carburettor (with floater and throttle valve), exhaust silencer, fuel tank, fuel tap, oil tank, crankcase ventilation
• On the camshaft, there is a centrifugal advance device, which turns the throttle valve in the carburettor via a linkage, in order to regulate the speed.