Lawn-Boy
Gas Walk-Behind Mower

Model # 680541 Official Lawn-Boy walk-behind lawn mower

Here are the diagrams and repair parts for Official Lawn-Boy 680541 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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Showing 10 of 244 parts  |

Belt, 21-in 683682
#22

Housing and shroud group diagram

Belt, 21-in

Part #683682

Replaced by #612543-03

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Manufacturer substitution
This part replaces 683682. Substitute parts can look different from the original.

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$31.17
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In Stock
Screw 145498
#18

Handle group diagram

Screw

Part #145498

Replaced by #614697

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Manufacturer substitution
This part replaces 145498. Substitute parts can look different from the original.
This item is not returnable
In Stock
Cage Nut - 1 613765
#13

Housing and shroud group diagram

Cage nut - 1

Part #613765

Replaced by #613765

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Manufacturer substitution
This part replaces 613765. Substitute parts can look different from the original.
This item is not returnable
In Stock
Key 612066
#52

Housing and shroud group diagram

Key

Part #612066

Replaced by #612066

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Manufacturer substitution
This part replaces 612066. Substitute parts can look different from the original.
This item is not returnable
In Stock
Retainer 611213
#48

Engine group diagram

Retainer

Part #611213

Replaced by #611213

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Manufacturer substitution
This part replaces 611213. Substitute parts can look different from the original.
This item is not returnable
In Stock
Spring 613879
#13

Drive group diagram

Spring

Part #613879

Replaced by #613879

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Manufacturer substitution
This part replaces 613879. Substitute parts can look different from the original.
In Stock
Recoil Spring 683897
#6

Starter group diagram

Recoil spring

Part #683897

Replaced by #92-4935

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Manufacturer substitution
This part replaces 683897. Substitute parts can look different from the original.
In Stock
Adjustment Collar 612757
#5

Carburetor group diagram

Adjustment collar

Part #612757

Replaced by #612757

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Manufacturer substitution
This part replaces 612757. Substitute parts can look different from the original.
This item is not returnable
In Stock
Shield 614315
#40

Housing and shroud group diagram

Shield

Part #614315

Replaced by #614315

?
Manufacturer substitution
This part replaces 614315. Substitute parts can look different from the original.
In Stock
Screw 611799
#32

Handle group diagram

Screw

Part #611799

Replaced by #611799

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Manufacturer substitution
This part replaces 611799. Substitute parts can look different from the original.
In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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

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 drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

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.

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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