Lawn-Boy
Gas Walk-Behind Mower

Model # 10324-8900001 & UP Official Lawn-Boy walk-behind lawn mower

Here are the diagrams and repair parts for Official Lawn-Boy 10324-8900001-UP walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 213 parts  |

Trailing Shield 92-8647
#36

Housing assembly diagram

Trailing shield

Part #92-8647

Replaced by #92-8647

?
Manufacturer substitution
This part replaces 92-8647. Substitute parts can look different from the original.
In Stock
Retaining Ring 65-2720
#3

Wheel assembly diagram

Retaining ring

Part #65-2720

Replaced by #65-2720

?
Manufacturer substitution
This part replaces 65-2720. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn Mower Handle Knob 98-7134
#3

Handle assembly diagram

Lawn mower handle knob

Part #98-7134

This item is not returnable
In Stock
Screw 98-1394
#60

Engine assembly diagram

Screw

Part #98-1394

In Stock
Gas Tank 95-1897
#4

Engine and blade assembly diagram

Gas tank

Part #95-1897

In Stock
Primer Hose 95-1861
#9

Engine assembly diagram

Primer hose

Part #95-1861

In Stock
Lawn Mower Transmission Guide 95-1732
#6

Housing assembly diagram

Lawn mower transmission guide

Part #95-1732

This item is not returnable
In Stock
Gasket 95-7613
#41

Engine assembly diagram

Gasket

Part #95-7613

This item is not returnable
In Stock
Anchor 93-7380
#20

Handle assembly diagram

Anchor

Part #93-7380

Replaced by #93-7380

?
Manufacturer substitution
This part replaces 93-7380. Substitute parts can look different from the original.
In Stock
Knob Cover 98-8332
#11

Housing assembly diagram

Knob cover

Part #98-8332

Replaced by #98-8332

?
Manufacturer substitution
This part replaces 98-8332. Substitute parts can look different from the original.
This item is not returnable
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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