Champion Spark Plug (RC12YC). 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.
Honda air cleaner (or air filter). If the air filter is clogged or dirty, the engine may not start or may run rough.
Tecumseh fuel line clamp.
Honda engine oil, SAE 10W-30, One quart
Briggs & Stratton Original Equipment 100005 4 Cycle Oil. (18oz Bottle) Briggs & Stratton Lawn Mower Oil is formulated for 4-cycle air-cooled engines. Don't overfill the crankcase when adding oil. Too much oil can damage the engine.
Fuel shut-off valve
Key-ignition (set of 2)
Hex nut, 5/16-18
Lock washer 5/16, split