2. Crankcase: The crankcase is the lower part of the engine that encloses the crankshaft and other moving parts.
3. Crankshaft: The crankshaft is a rotating shaft that converts the reciprocating motion of the piston into rotary motion.
4. Connecting rod: The connecting rod connects the piston to the crankshaft.
5. Flywheel: The flywheel is a heavy wheel that is attached to the crankshaft and helps to keep the engine running smoothly.
6. Carburetor: The carburetor is a device that mixes air and fuel together to create a combustible mixture.
7. Spark plug: The spark plug is a device that generates an electrical spark to ignite the air-fuel mixture.