Shop Lawn Boy String Trimmer Parts

Champion Spark Plug (RCJ8Y). The spark plug ignites the fuel and air mixture in the cylinder to power the engine. If the spark plug is burnt, fouled or damaged the engine may not start or may run rough.

Tecumseh flywheel key (woodruff key). The flywheel key aligns the flywheel in the correct position on the crankshaft. If the engine stops suddenly due to hitting a hard object, the flywheel key shears in half to prevent damage to the engine. If the flywheel key is broken, the engine won't start.

Lock nut with nylon insert.

Ignition coil with spark plug lead and boot

Knob-handle

Self Tapping Screw

Self Tapping Screw

Nylon insert locking nut. Used as part of the shear bolt assembly, as well as other locations within the equipment.

Screw-hh

Fuel line

Bolt

Nut

Air filter

Gasket

Ground wire