10247 (9900001-9999999 - 1999) Lawn Boy Lawn Mower - Overview

Installation manual

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Bulb-Primer

★★★★★

★★★★★

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This manufacturer-certified Primer Bulb is a black rubber part which comes individually sold. It is used to pump fuel from the fuel tank to the carburetor to start the engine. Installation is rated as... Add to cart

Bolt-Shoulder The Shoulder Bolt is a 3/8-16 x 3-5/8 bolt, certified by the original equipment manufacturer. It is a metal bolt which is individually sold and comes in black. Installation requires a wrench or socket... Add to cart

Nut-Lock, Ni The Ni Lock Nut (Nylock Nut) is a Silver, 5/16x18, individually sold metal nut. It can be adjusted and replaced using a wrench or socket and torque wrench to the manufacturer specfications, and is use... Add to cart

Washer This OEM-sourced washer in your walk-behind lawnmower provides space and protects the rear wheel from rubbing against the pivot arm assembly, ensuring smooth wheel rotation. A damaged washer may appea... Add to cart

Body-Primer Add to cart

Knob-Handle The Handle (or Knob Handle) is a black, plastic part which is rated as "Easy" to install by customers. It attaches onto the handle, so you can quickly release to fold down the handle bar. If the part ... Add to cart

Stop-Pivot Add to cart

Blade-20.88 Inch The blade within a lawn mower is one of the most important components, since it is what cuts the grass itself. This OEM blade is a high-lift blade made of high-quality metal and measures 21-inches in ... Add to cart

Spark Plug Add to cart

Spring-Throttle Add to cart

Plate-Opening, Chute This manufacturer-certified Grass Chute is a black plastic part used to direct grass clippings. Installation is rated as "Easy" by customers, and requires a wrench or socket. The chute secures to the ... Add to cart

Nut-Lock, Ni Add to cart