Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Sears
Cycling

Model # 502457140 Official Sears 20" moto-cross bicycle

Here are the diagrams and repair parts for Official Sears 502457140 20" moto-cross 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 82 parts  |
Spk 7-9/16 303155
#10

Unit parts diagram

Spk 7-9/16

Part #303155

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

F Axle Set 303518

#NI

All parts diagram

F axle set

Part #303518

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

Spring Clip 302022
#3

Fork and suspension assembly diagram

Spring clip

Part #302022

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

Clip Hdwe 302025
#11

Fork and suspension assembly diagram

Clip hdwe

Part #302025

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

Hngr Lck Nut 8512Z
#1

Crank hanger bearing set diagram

Hngr lck nut

Part #8512Z

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

Axle 304611
#11

Bendix coaster brake diagram

Axle

Part #304611

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

Ret. Ring 304785
#18

Bendix coaster brake diagram

Ret. ring

Part #304785

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

Brake Arm 304793
#5A

Bendix coaster brake diagram

Brake arm

Part #304793

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

Drive Screw 304792
#13

Bendix coaster brake diagram

Drive screw

Part #304792

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

Seat Post 26755Z
#24

Unit parts diagram

Seat post

Part #26755Z

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

Symptoms for electric ranges

Why doesn't my electric range's surface element heat properly?

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Read more

Should I replace a damaged glass cooktop?

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Read more

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace an electric range oven door outer glass panel

How to replace an electric range oven door outer glass panel

Learn how to replace a damaged outer window panel on your oven door with these step-by-step instructions. …

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

Read more
Repair difficulty
Time required
 45 minutes or less

Articles and videos for electric ranges

How is cooking on an electric range different than cooking on a gas stove?

How is cooking on an electric range different than cooking on a gas stove?

Learn about the differences between cooking on gas and electric stoves.…

Read more
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.…

Read more
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.…

Read more

Parts & More