Primer bulb. The primer bulb draws fuel into the carburetor to make the engine easier to start.
Champion spark plug (RCJ6Y). The spark plug ignites the fuel and air mixture in the engine's cylinder to power the engine. If the spark plug is has fouled (if the tip of the spark plug is burnt or damaged), the engine may not start or may run rough.
Fuel tank assembly. This part includes a new tank, fuel line, fuel filter, and cap.
Homelite compression spring. Pushes bump knob back out after string is released.
Homelite rewind spring (recoil spring) and container. If the rewind spring is broken, the starter rope won't retract.
Homelite two cycle engine carburetor gasket. If the gasket is torn or damaged the engine may run rough.