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Lawn-Boy
Gas Walk-Behind Mower

Model # 8602 Official Lawn-Boy lawn mower

Here are the diagrams and repair parts for Official Lawn-Boy 8602 lawn mower, as well as links to manuals and error code tables, if available.

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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 189 parts  |
Wrist Pin 606608
#19

Engine group diagram

Wrist pin

Part #606608

Replaced by #94-5774

?
Manufacturer substitution
This part replaces 606608. Substitute parts can look different from the original.
$17.57
In Stock
Retaining Ring 609004
#48

Engine group diagram

Retaining ring

Part #609004

Replaced by #609004

?
Manufacturer substitution
This part replaces 609004. Substitute parts can look different from the original.
This item is not returnable
$2.57
In Stock
Gasket 607213
#73

Engine group diagram

Gasket

Part #607213

Replaced by #607213

?
Manufacturer substitution
This part replaces 607213. Substitute parts can look different from the original.
This item is not returnable
$3.63
In Stock
Screw 607188
Screw

Part #607188

Replaced by #607188

?
Manufacturer substitution
This part replaces 607188. Substitute parts can look different from the original.
This item is not returnable
$5.71
In Stock
Pin 610016
Pin

Part #610016

Replaced by #610016

?
Manufacturer substitution
This part replaces 610016. Substitute parts can look different from the original.
$86.00
In Stock
Nut 608311
Nut

Part #608311

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

Thrust Washer 608030
#49

Drive group diagram

Thrust washer

Part #608030

Replaced by #608030

?
Manufacturer substitution
This part replaces 608030. Substitute parts can look different from the original.
This item is not returnable
$3.74
In Stock
Clip 603145
#60

Engine group diagram

Clip

Part #603145

Replaced by #92-9697

?
Manufacturer substitution
This part replaces 603145. Substitute parts can look different from the original.
$23.47
In Stock
V-belt 610040
#34

Drive group diagram

V-belt

Part #610040

Replaced by #610040

?
Manufacturer substitution
This part replaces 610040. Substitute parts can look different from the original.
$42.62
In Stock
Pad 609961
Pad

Part #609961

Replaced by #609961

?
Manufacturer substitution
This part replaces 609961. Substitute parts can look different from the original.
$15.23
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 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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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 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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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 transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Read more
Repair difficulty
Time required
 60 minutes or less
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 ignition coil on a flathead engine

How to replace a lawn mower ignition coil on a flathead engine

If the spark plug doesn't fire when you try to start the mower, you could have a defective ignition coil. Follow these s…

Read more
Repair difficulty
Time required
 30 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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