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Lawn-Boy
Gas Walk-Behind Mower

Model # 10302-6900001 AND UP Official Lawn-Boy walk-behind lawn mower

Here are the diagrams and repair parts for Official Lawn-Boy 10302-6900001-AND-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 123 parts  |
Rope Guide 93-7383
#2

Handle assembly diagram

Rope guide

Part #93-7383

Replaced by #86-9671

?
Manufacturer substitution
This part replaces 93-7383. Substitute parts can look different from the original.
This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
In Stock
Lock Nut 3296-29
#22

Deck and wheel assembly diagram

Lock nut

Part #3296-29

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

Belt, 21-in 612543
#12

Fuel tank and blade 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

$38.29 | 
20% OFF MSRP : $48.00
In Stock
Pivot Stop 92-5412
#5

Handle assembly diagram

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
$6.69
In Stock
Spring 65-4720
#15

Rear axle assembly diagram

Spring

Part #65-4720

Replaced by #65-4720

?
Manufacturer substitution
This part replaces 65-4720. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Narrow Hanger 613463
#8A

Rear catcher assembly diagram

Narrow hanger

Part #613463

Replaced by #613463

?
Manufacturer substitution
This part replaces 613463. Substitute parts can look different from the original.
$103.91
In Stock
Handle Ay Lh 92-7724
#17

Deck and wheel assembly diagram

Handle ay lh

Part #92-7724

Replaced by #105-8604

?
Manufacturer substitution
This part replaces 92-7724. Substitute parts can look different from the original.
$68.02
In Stock
Bail Sp Con 92-1001
#7

Handle assembly diagram

Bail sp con

Part #92-1001

Replaced by #92-1001-03

?
Manufacturer substitution
This part replaces 92-1001. Substitute parts can look different from the original.
$71.18
In Stock
Pin 3285-19
#8

Gear case assembly diagram

Pin

Part #3285-19

Replaced by #3285-19

?
Manufacturer substitution
This part replaces 3285-19. Substitute parts can look different from the original.
This item is not returnable
$3.51
In Stock
Nut 3296-5
#14

Gear case assembly diagram

Nut

Part #3296-5

Replaced by #3296-5

?
Manufacturer substitution
This part replaces 3296-5. Substitute parts can look different from the original.
This item is not returnable
$6.40
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 run rough?

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

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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 vibrate a lot?

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

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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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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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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 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…

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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. …

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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…

Read more
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.

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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…

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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

Top questions about Sears and Sears PartsDirect

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

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