Workshop manual
5
Air cleaner: protects the engine through removing dust and other impurities in the air.
Spark plug: delivers the high voltage of the ignition coil into the engine’s combustion chamber, and
produces sparks by electric discharge between electrodes, to ignite the fuel-air mixture.
Muffler: prevents the engine noise from traveling, so as to lower noise of the exhaust system.
Fuel tank cap: when loosened, fuel can be added into the fuel tank; when tightened, fuel can be sealed in
the fuel tank.
Fuel tank: stores the fuel and delivers fuel to the carburetor.
Oil drain plug: when loosened, all engine oil in the engine can be drained off so that engine oil can be
change.