Sears
Cycling

Model # 502457010 Official Sears 20" bmx bicycle

Here are the diagrams and repair parts for Official Sears 502457010 20" bmx bicycle, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

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

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 41 parts  |

Frt Sprocket 36067C
#19

Unit parts diagram

Frt sprocket

Part #36067C

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

Spk 7-9/16 303155
#23

Unit parts diagram

Spk 7-9/16

Part #303155

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

Tire Only 040012

#NI

All parts diagram

Tire only

Part #040012

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

F Wheel Asm 32801C
#9

Unit parts diagram

F wheel asm

Part #32801C

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

Kickstand 302336
#14

Unit parts diagram

Kickstand

Part #302336

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

F Axle Set 303518
#11

Unit parts diagram

F axle set

Part #303518

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

Seat Post 39934Z
#26

Unit parts diagram

Seat post

Part #39934Z

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

Tube 041006

#NI

All parts diagram

Tube

Part #041006

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

R Wheel Assy 303013C
#22

Unit parts diagram

R wheel assy

Part #303013C

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

Decal 51X681

#NI

All parts diagram

Decal

Part #51X681

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

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Main causes: dirty carburetor, stale fuel…

Main causes: punctured tire, damaged rim…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas snowblowers

Use the advice and tips in these articles and videos to get the most out of your snowblower.

How to tune up a snowblower video

How to tune up a snowblower video

Get an overview of the main steps in a snowblower tune-up and click to videos with more details.…

Start-of-winter snowblower care

Start-of-winter snowblower care

Get your snowblower ready for winter before winter arrives, so you don't have to mess with it while snow piles up.…

How to store a snowblower

How to store a snowblower

Protect your snowblower's engine and body by preparing it for after-season storage.…