Sears
Cycling

Model # 502477992 Official Sears bicycle

Here are the diagrams and repair parts for Official Sears 502477992 bicycle, 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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Showing 10 of 72 parts  |

Stop Plate 122-9
#20

Front and rear caliper hand brake diagram

Stop plate

Part #122-9

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

Tube 20 In 6-50802

#NI

All parts diagram

Tube 20 in

Part #6-50802

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

Tube 6-50902

#NI

All parts diagram

Tube

Part #6-50902

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

F-wheel 20 26991
#11

Unit parts diagram

F-wheel 20

Part #26991

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

Holder 139-4
#12

Front and rear caliper hand brake diagram

Holder

Part #139-4

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

Axle 10911

#NI

All parts diagram

Axle

Part #10911

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

Washer 115-1
#4

Front and rear caliper hand brake diagram

Washer

Part #115-1

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

Lock Nut 116-1
#2

Front and rear caliper hand brake diagram

Lock nut

Part #116-1

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

Washer 115-10
#10

Front and rear caliper hand brake diagram

Washer

Part #115-10

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

B/tire 20 In 6-50202

#NI

All parts diagram

B/tire 20 in

Part #6-50202

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

Symptoms for gas walk-behind mowers

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

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

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

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

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

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

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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.…

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.…

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Find out how to test and fix problems with the spark plug, stop wire, ignition coil and flywheel.…