Shop replacement repair parts for Lawn Boy Lawn Mower model 81242

Briggs & Stratton 4-Cycle Engine Oil. (48oz Bottle)
Briggs & Stratton Lawn Mower Oil is formulated for 4-cycle air-cooled engines. For optimum performance, change the oil in your small engine after the first five hours of use and then annually, or every 50 hours of use (whichever comes first).

Filter-a/c cartridge

Bracket, control

Oil seal, magneto side

Starter motor. When energized, the starter motor's drive gear engages the flywheel to start the engine. (Ensure that the solenoid wire is not being pinched upon installation of the starter, as this will potentially short the circuit)

Bearing-ball

Rod-push (intake)

Screw-taptite

Clamp-hose

Breather Reed

Briggs & Stratton Spark Plug (QC12YC)

Briggs & Stratton voltage regulator. The voltage regulator sends the proper amount of voltage from the alternator to the battery to keep the battery charged. If the voltage regulator is defective, the battery may keep draining quickly.

Clamp

Fan-flywheel

Rod-push (exhaust)