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Lawn-Boy
Gas Walk-Behind Mower

Model # 10301-4900001-4999999 Official Lawn-Boy walk-behind lawn mower

Here are the diagrams and repair parts for Official Lawn-Boy 10301-4900001-4999999 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  |
Rope Guide 92-7720
#2

Handle assembly diagram

Rope guide

Part #92-7720

Replaced by #86-9671

?
Manufacturer substitution
This part replaces 92-7720. Substitute parts can look different from the original.
This item is not returnable
$5.74
| 
19% OFF Was : $7.09
Back Order
Lock Nut 3296-29
Lock nut

Part #3296-29

The manufacturer no longer makes this part, and there's no substitute part

Screw Engine 92-1624
#13

Fuel tank& blade assembly diagram

Screw engine

Part #92-1624

Replaced by #95-1726

?
Manufacturer substitution
This part replaces 92-1624. Substitute parts can look different from the original.
This item is not returnable
$3.74
In Stock
Primer 66-7460
#22

Fuel tank& blade assembly diagram

Primer

Part #66-7460

Replaced by #66-7460

?
Manufacturer substitution
This part replaces 66-7460. Substitute parts can look different from the original.
This item is not returnable
$8.49
In Stock
Cap Screw 611393
#13

2 cycle engine assembly diagram

Cap screw

Part #611393

Replaced by #611393

?
Manufacturer substitution
This part replaces 611393. Substitute parts can look different from the original.
$35.44
In Stock
Starter Hub 614640
#5

2 cycle engine assembly diagram

Starter hub

Part #614640

Replaced by #614640

?
Manufacturer substitution
This part replaces 614640. Substitute parts can look different from the original.
$51.64
In Stock
Nut 130743
#6

2 cycle engine assembly diagram

Nut

Part #130743

Replaced by #130743

?
Manufacturer substitution
This part replaces 130743. Substitute parts can look different from the original.
This item is not returnable
$5.29
In Stock
Retainer 610383
#24

Carburetor assembly diagram

Retainer

Part #610383

Replaced by #610383

?
Manufacturer substitution
This part replaces 610383. Substitute parts can look different from the original.
$15.49
In Stock
Screw 12-5450
#16

2 cycle 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
Seal 611396
#11

2 cycle engine assembly diagram

Seal

Part #611396

Replaced by #611396

?
Manufacturer substitution
This part replaces 611396. Substitute parts can look different from the original.
$9.69
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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