Sears
Cycling

Model # 489451870 Official Sears 20" lightweight bicycle

Here are the diagrams and repair parts for Official Sears 489451870 20" lightweight 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 40 parts  |

Rim Strip 042006
#11

Unit parts diagram

Rim strip

Part #042006

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

Pedal 070002
#18

Unit parts diagram

Pedal

Part #070002

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

Chain 072013
#21

Unit parts diagram

Chain

Part #072013

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

Roadmaster Rear Axle And Bearing Set 054001
#26

Unit parts diagram

Roadmaster rear axle and bearing set

Part #054001

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

Front Wheel Assembly 045009
#12

Unit parts diagram

Front wheel assembly

Part #045009

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

Rr Wheel Asm 045515
#24

Unit parts diagram

Rr wheel asm

Part #045515

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

Derailleur 085501
#40

Unit parts diagram

Derailleur

Part #085501

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

Handlebar 009013
#3

Unit parts diagram

Handlebar

Part #009013

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

Spkt Cluster 075001
#22

Unit parts diagram

Spkt cluster

Part #075001

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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.

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.…

Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…