Sears
Cycling

Model # 507474440 Official Sears bicycle

Here are the diagrams and repair parts for Official Sears 507474440 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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Showing 10 of 47 parts  |

Columbia Bicycle Pedal Set 070016
#17

Unit parts diagram

Columbia bicycle pedal set

Part #070016

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

Lifestyler Ft/rr Spoke 049025

#NI

All parts diagram

Lifestyler ft/rr spoke

Part #049025

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

Roadmaster Bicycle Front Axle And Bearing Assembly 053011

#NI

All parts diagram

Roadmaster bicycle front axle and bearing assembly

Part #053011

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

Lifestyler Spoke/nipple 049513

#NI

All parts diagram

Lifestyler spoke/nipple

Part #049513

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

Bca Tool 103017

#NI

All parts diagram

Bca tool

Part #103017

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

Bicycle Wheel, Rear 045510
#27

Unit parts diagram

Bicycle wheel, rear

Part #045510

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

Lifestyler Tool:spoke W 103048

#NI

All parts diagram

Lifestyler tool:spoke w

Part #103048

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

Roadmaster Bicycle Shift Cable Assembly 087102
#8

Unit parts diagram

Roadmaster bicycle shift cable assembly

Part #087102

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

Ft.wheel Asm 045064
#13

Unit parts diagram

Ft.wheel asm

Part #045064

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

Ming Ta Bicycle Brake Shoe Set 104002

#NI

All parts diagram

Ming ta bicycle brake shoe set

Part #104002

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

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...

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

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 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 transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels....

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

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged....

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...