Lawn Boy Lawn Mower 81242 Parts

Briggs & Stratton Original Equipment 492932S Oil Filter. Length: 2 1/4 inches. For optimum performance, we recommend changing the oil in your small engine after the first five hours of use. After that, change the oil on a yearly basis or after every 50 hours of use (whichever comes first).

Lock nut with nylon insert.

Tube-breather

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

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.

Briggs & Stratton flywheel 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.

Gasket-float bowl

Crankcase oil seal, PTO side

Briggs & Stratton rocker cover gasket. Be sure that all surfaces are clean and dry before installing this gasket. Do not use solvents or gasket sealer on this gasket.

Camshaft

Gasket-crankcase .015

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.

Screw-hh

Ignition coil (or magneto armature). The ignition coil sends voltage to the spark plug while the engine is running. If the ignition coil is defective, the engine may not start.

Gasket-exhaust