Sears
Cycling

Model # 545451661 Official Sears 20" bmx bicycle

Here are the diagrams and repair parts for Official Sears 545451661 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 48 parts  |

Ft Sprkt 44t 068002
#20

Unit parts diagram

Ft sprkt 44t

Part #068002

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

Rr Refl Brkt 082010
#41

Unit parts diagram

Rr refl brkt

Part #082010

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

Chain W/link 072007
#21

Unit parts diagram

Chain w/link

Part #072007

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

Pr Sprocket 106002
#24

Unit parts diagram

Pr sprocket

Part #106002

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

Bicycle Brake Shoe Set 104002
#35

Unit parts diagram

Bicycle brake shoe set

Part #104002

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

Fork Assy 005020
#8

Unit parts diagram

Fork assy

Part #005020

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

Tool 103007

#NI

All parts diagram

Tool

Part #103007

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

Owner's Manual 102053

#NI

All parts diagram

Owner's manual

Part #102053

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

Pedal 070003
#18

Unit parts diagram

Pedal

Part #070003

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

Front Wheel Assembly 045010
#9

Unit parts diagram

Front wheel assembly

Part #045010

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

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Repair guides for gas line trimmers

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

How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

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

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Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Grass line trimmer maintenance checklist

Grass line trimmer maintenance checklist

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this help…