Sears
Cycling

Model # 502457470 Official Sears bicycle

Here are the diagrams and repair parts for Official Sears 502457470 bicycle, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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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 111 parts  |

Cable Casing 308525
#32A

Unit parts diagram

Cable casing

Part #308525

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

Derailleur 40248
#34

Unit parts diagram

Derailleur

Part #40248

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

Kickstand 302336
#18

Unit parts diagram

Kickstand

Part #302336

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

Rim Strip 118X2
#15C

Unit parts diagram

Rim strip

Part #118X2

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

Axle Mx 303520
#11

Frame assembly diagram

Axle mx

Part #303520

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

Inner Tube 139X2
#15B

Unit parts diagram

Inner tube

Part #139X2

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

Spk 7-9/16 303155
Spk 7-9/16

Part #303155

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

Bolt 302108
#4

Frame assembly diagram

Bolt

Part #302108

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

Brk Cabl Blk 308701
#28A

Unit parts diagram

Brk cabl blk

Part #308701

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

Decal 63X103

#NI

All parts diagram

Decal

Part #63X103

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

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.

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.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

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

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

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…