Model # 502457090 Official Sears 20" bmx bicycle

Here are the diagrams and repair parts for Official Sears 502457090 20" bmx 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 45 parts |

#21A

Unit parts diagram

Master link

Part #303476

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

#15

Unit parts diagram

Kickstand

Part #302336

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

#13

Unit parts diagram

F axle set

Part #303518

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

Spk 7-9/16

Part #303155

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

#NI

All parts diagram

Inner tube

Part #041003

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

#29B

Unit parts diagram

Washer

Part #STD551031

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

#23

Unit parts diagram

R wheel assy

Part #303013C

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

#10

Unit parts diagram

Tire

Part #040005

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

Unit parts diagram

F wheel

Part #303005C

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

#22

Unit parts diagram

Sprocket

Part #34998

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

Symptoms for gas cooktops

Why won't my cooktop's gas burners ignite or spark?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

Why isn't my cooktop's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

Why do my cooktop's spark igniters keep clicking?

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Repair difficulty

Time required

45 minutes or less

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Repair difficulty

Time required

30 minutes or less

Articles and videos for gas cooktops

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

Model # 502457090 Official Sears 20" bmx bicycle

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas cooktops

Why won't my cooktop's gas burners ignite or spark?

Why isn't my cooktop's gas burner heating properly?

Why do my cooktop's spark igniters keep clicking?

Repair guides for gas cooktops

How to replace a spark igniter switch on a gas cooktop

How to replace a spark module on a gas cooktop

Articles and videos for gas cooktops

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

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How to clean grates and burners on a gas cooktop video

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