Side-valve four-stroke engine

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



  • 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.
Category: Engine Technology
Item number: 79001318