Sears
Cycling

Model # 661451150 Official Sears 20" bicycle

Here are the diagrams and repair parts for Official Sears 661451150 20" 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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Showing 10 of 43 parts  |

Rr Whe Asm 045525
#24

Unit parts diagram

Rr whe asm

Part #045525

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

Ming Ta Bicycle Brake Shoe Set 104002
#34

Unit parts diagram

Ming ta bicycle brake shoe set

Part #104002

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

Lifestyler Exp Blt/wedg 008025
#4

Unit parts diagram

Lifestyler exp blt/wedg

Part #008025

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

Roadmaster Bicycle Front Axle And Bearing Assembly 053011
#14

Unit parts diagram

Roadmaster bicycle front axle and bearing assembly

Part #053011

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

Derailleur 085501
#41

Unit parts diagram

Derailleur

Part #085501

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

Axle Brg Set 054003
#26

Unit parts diagram

Axle brg set

Part #054003

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

Refl Brkt 082002
#32

Unit parts diagram

Refl brkt

Part #082002

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

Fork 005176
#8

Unit parts diagram

Fork

Part #005176

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

Handlebar 009020
#3

Unit parts diagram

Handlebar

Part #009020

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

Chain 072016
#21

Unit parts diagram

Chain

Part #072016

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 blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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.…