Dual-layer air filter. This part has been updated; it now features a dual-layer design.
Air filter. If the air filter is clogged or dirty, the engine may not start or may run rough.
MTD Spark Plug. 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.
Carburetor for 2-cycle engine. If the carburetor is clogged, the engine won't get enough fuel. As a result, the engine may not start or may run rough.
Tecumseh fuel line clamp.
Walbro primer bulb. The primer bulb draws additional fuel into the carburetor to make the engine easier to start. If the primer bulb is leaking, replace it.
Champion Spark Plug (RDJ7Y). 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.
Replacement Briggs & Stratton fuel line kit with clamps. 1/4 Inch inside diameter, Cut to length.
Lawn mower air cleaner cover. If this cover is cracked, or if one of its holding tabs is broken, replace it.
Briggs & Stratton in-line fuel filter. The filter screen is on the large side of the housing. The port on the large side goes to the fuel tank while the port on the small side of the housing goes to the carburetor.
Two cycle engine carburetor. If the engine runs rough, the carburetor may be restricted. The carburetor can often be cleaned or rebuilt, but sometimes it may need to be replaced.
Tecumseh carburetor outlet gasket.
Fuel tank vent (also called a check valve). The fuel tank vent allows air to re-enter the fuel tank. If the vent is clogged, the engine may stall.
Genuine MTD 742-0305A-0637 Articulating Roto-Tiller Tine
Small engine carburetor gasket. If the gasket is torn or damaged the engine may run rough.