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Sears
Cycling

Model # 502457170 Official Sears 20" moto-cross bicycle

Here are the diagrams and repair parts for Official Sears 502457170 20" moto-cross 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 112 parts  |
Sprocket 300424
#39A

Shimano three speed hub diagram

Sprocket

Part #300424

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

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

Axle Mx 303520

#NI

All parts diagram

Axle mx

Part #303520

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

Clip Hdwe 302025
#11

Fork & suspension assembly diagram

Clip hdwe

Part #302025

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

Spring Clip 302022
#3

Fork & suspension assembly diagram

Spring clip

Part #302022

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

Guide Spring 300715
#14

Shimano three speed hub diagram

Guide spring

Part #300715

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

Retainer 300024
#10

Shimano three speed hub diagram

Retainer

Part #300024

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

Frnt Fender 32660BHK
#8

Unit parts diagram

Frnt fender

Part #32660BHK

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

Washer 300910
#8

Shimano three speed hub diagram

Washer

Part #300910

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

Lower Tube 32739
#20

Unit parts diagram

Lower tube

Part #32739

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

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

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Why does my elliptical make squeaking noises?

Main cause: lack of lubrication on pivot points…

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Why does my elliptical display the wrong speed?

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console…

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Why can't my elliptical detect my heart rate?

Main causes: dirty heart rate sensors, wiring failure, bad control console…

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Why won't my elliptical's console turn on?

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

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How do I tighten elliptical handle bars?

Main causes: loose fastening bolts, damaged handle bars…

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Why is my elliptical's console display dim?

Main causes: weak batteries, loose wires, faulty control console…

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Why does my elliptical rock?

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring…

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Why won't my elliptical's pedal resistance change?

Main causes: bad resistance motor, faulty control console, wiring failure…

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Repair guides for elliptical machines

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

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How to replace an elliptical resistance motor

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.…

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Repair difficulty
Time required
 15 minutes or less
How to adjust an elliptical reed switch

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.…

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Repair difficulty
Time required
 15 minutes or less
How to replace an elliptical console

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps.…

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Repair difficulty
Time required
 15 minutes or less

Articles and videos for elliptical machines

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

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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.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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Easy DIY elliptical repairs

Learn about some easy elliptical repairs that you can do yourself.…

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