Sears
Cycling

Model # 502451914 Official Sears middleweight bicycle

Here are the diagrams and repair parts for Official Sears 502451914 middleweight bicycle, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 40 parts  |

Frnt Hub Set 9850-12

#NI

All parts diagram

Frnt hub set

Part #9850-12

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

Rim 24 Inch 8776
#9H

Frame assembly diagram

Rim 24 inch

Part #8776

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

Brake Assembly 26776
#9M

Frame assembly diagram

Brake assembly

Part #26776

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

Bar Stem 27160
#9B

Frame assembly diagram

Bar stem

Part #27160

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

Sprocket 24 14590
#7

Frame assembly diagram

Sprocket 24

Part #14590

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

Tire Or Tube 26X1.75

#NI

All parts diagram

Tire or tube

Part #26X1.75

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

F-wheel 26 14559
#9E

Frame assembly diagram

F-wheel 26

Part #14559

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

Frame 27260
#1C

Frame assembly diagram

Frame

Part #27260

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

Tire Or Tube 24X1.75

#NI

All parts diagram

Tire or tube

Part #24X1.75

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

Stand 13219
#6B

Frame assembly diagram

Stand

Part #13219

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…