Cycling

Model # 502475390 Official Sears 20" boys' 5-speed bicycle

Here are the diagrams and repair parts for Official Sears 502475390 20" boys' 5-speed bicycle, as well as links to manuals and error code tables, if available.

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Browse Parts for
502475390 20" Boys' 5-Speed Bicycle
Fr Axle Set 9853-12

#NI

All parts diagram

Fr axle set

Part #9853-12

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

Part 10421

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All parts diagram

Part

Part #10421

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

Brake Shoe Set 8364
#2

Excel dual rear caliper hand brake parts diagram

Brake shoe set

Part #8364

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

Sprocket 27522
#5

Frame assembly diagram

Sprocket

Part #27522

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

Lock Nut L RHB7
#5

Shimano parts for rear hub diagram

Lock nut l

Part #RHB7

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

Slf-tpng Scw 26X49
#6

Frame assembly diagram

Slf-tpng scw

Part #26X49

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

(4-6) Expander Bolt, Washer, And Wedge N/P
(4-6) expander bolt, washer, and wedge

Part #N/P

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

Hub Shell 13685

#NI

All parts diagram

Hub shell

Part #13685

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

Cone RHB3
#8

Shimano parts for rear hub diagram

Cone

Part #RHB3

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

Head Set 9878-20PB

#NI

All parts diagram

Head set

Part #9878-20PB

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

Symptoms for gas walk-behind mowers

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

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

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

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…

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 recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

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.…

Repair difficulty
Time required
 15 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

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Lawn mower won't start troubleshooting video: can't pull recoil pull cord

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

A blade obstruction, bad recoil starter or locked-up engine can prevent the pull cord on your mower from working. See ho…