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Lawn-Boy
Gas Walk-Behind Mower

Model # 10227-7900001 AND UP Official Lawn-Boy walk-behind lawn mower

Here are the diagrams and repair parts for Official Lawn-Boy 10227-7900001-AND-UP walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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ALL PARTS
Showing 10 of 214 parts  |
Pivot Stop 92-5412
Pivot stop

Part #92-5412

Replaced by #107-0757

?
Manufacturer substitution
This part replaces 92-5412. Substitute parts can look different from the original.
This item is not returnable
$5.89
In Stock
Wheel Tire 684776
Wheel tire

Part #684776

Replaced by #684776

?
Manufacturer substitution
This part replaces 684776. Substitute parts can look different from the original.
This item is not returnable
$37.96 | 
14% OFF Phone Price : $43.96
In Stock
V-belt 93-7381
#10

Rear axle assembly (10304 only) diagram

V-belt

Part #93-7381

Replaced by #93-7381

?
Manufacturer substitution
This part replaces 93-7381. Substitute parts can look different from the original.
This item is not returnable

Get free shipping with Automatic Reorder

$24.07
In Stock
Screw 614697
#2

Handle assembly diagram

Screw

Part #614697

Replaced by #614697

?
Manufacturer substitution
This part replaces 614697. Substitute parts can look different from the original.
This item is not returnable
$5.29
In Stock
Washer 614426
#19

Rear axle assembly (10304 only) diagram

Washer

Part #614426

Replaced by #614426

?
Manufacturer substitution
This part replaces 614426. Substitute parts can look different from the original.
This item is not returnable
$4.31
In Stock
Belt, 21-in 612543
#16

Engine assembly diagram

Belt, 21-in

Part #612543

Replaced by #612543-03

?
Manufacturer substitution
This part replaces 612543. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$31.17 | 
19% OFF Was : $38.29
In Stock
Lawn Mower Grass Bag 89804

#NI

All parts diagram

Lawn mower grass bag

Part #89804

$24.31
In Stock
Screw 93-4302
#8

Engine assembly diagram

Screw

Part #93-4302

Replaced by #93-4302

?
Manufacturer substitution
This part replaces 93-4302. Substitute parts can look different from the original.
$13.43
In Stock
Screw 12-5450
#16

Engine assembly diagram

Screw

Part #12-5450

Replaced by #12-5450

?
Manufacturer substitution
This part replaces 12-5450. Substitute parts can look different from the original.
$16.74
In Stock
Screw 613269
#8

Carburetor assembly diagram

Screw

Part #613269

Replaced by #613269

?
Manufacturer substitution
This part replaces 613269. Substitute parts can look different from the original.
This item is not returnable
$3.74
In Stock

Symptoms for gas walk-behind mowers

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

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Why does my lawn mower vibrate a lot?

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

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Why does my lawn mower cut unevenly?

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

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Why does my lawn mower run rough?

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

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Why won't my lawn mower move?

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

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Why won't my lawn mower start?

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

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Why does my lawn mower stall?

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

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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.

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How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Read more
Repair difficulty
Time required
 15 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.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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