Lawn-Boy
Gas Walk-Behind Mower

Model # 10323-210000001 + UP Official Lawn-Boy gas lawn mower

Here are the diagrams and repair parts for Official Lawn-Boy 10323-210000001-UP gas 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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Showing 10 of 230 parts  |

Ring-klip 65-2720
#3

Rear axle diagram

Ring-klip

Part #65-2720

This item is not returnable
In Stock
Trailing-shi 92-8647
#29

Housing, handle bracke and wheel diagram

Trailing-shi

Part #92-8647

In Stock
Liner 677982
#1

Short block - 95-7636 diagram

Liner

Part #677982

In Stock
Cable Bracket 100-5983
#3

Handle and controls diagram

Cable bracket

Part #100-5983

In Stock
Lawn Mower Grass Bag 100-6361
#1

Grass bagging diagram

Lawn mower grass bag

Part #100-6361

$299.16
$10.84 OFF MSRP : $310.00
In Stock
Gear Case 104-7619
#1

Gear case - 104-7672 diagram

Gear case

Part #104-7619

In Stock
Lawn Mower Handle Knob 98-7134
#20

Handle and controls diagram

Lawn mower handle knob

Part #98-7134

This item is not returnable
In Stock
Lawn Mower Ground Drive Belt 92-1043
#38

Engine - 98-1393 diagram

Lawn mower ground drive belt

Part #92-1043

Get free shipping with Automatic Reorder

In Stock
Cap Screw 322-7
#68

Engine - 98-1393 diagram

Cap screw

Part #322-7

This item is not returnable
In Stock
Gas Line 612782
#6

Engine and blade diagram

Gas line

Part #612782

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

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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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