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Model # 502457031 Official Sears 20" moto-cross bicycle
Here are the diagrams and repair parts for Official Sears 502457031 20" moto-cross bicycle, as well as links to manuals and error code tables, if available.
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Browse Parts for
502457031 20" Moto-Cross Bicycle
#9
Unit parts diagram
Spk 11-9/32
Part #303157
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Axle mx
Part #303520
The manufacturer no longer makes this part, and there's no substitute part
#3
Unit parts diagram
Handlebar
Part #32611
The manufacturer no longer makes this part, and there's no substitute part
#16
Bendix coaster brake diagram
Dust cap
Part #304799
The manufacturer no longer makes this part, and there's no substitute part
#17
Unit parts diagram
Trap
Part #303466
The manufacturer no longer makes this part, and there's no substitute part
#5
Unit parts diagram
Wedge
Part #302107
The manufacturer no longer makes this part, and there's no substitute part
#8
Unit parts diagram
Front wheel
Part #303034C
The manufacturer no longer makes this part, and there's no substitute part
#11
Bendix coaster brake diagram
Axle
Part #304611
The manufacturer no longer makes this part, and there's no substitute part
#23
Unit parts diagram
Seat post
Part #26755Z
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Coastr brake
Part #13923PA
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for treadmills
Choose a symptom to see related treadmill repairs.
Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…
Main causes: rear roller out of alignment, damaged walking belt, bad roller…
Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…
Main causes: faulty sensors, wiring failure, bad control console…
Main causes: bad control console, wiring failure, bad motor control board…
Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…
Main causes: damaged walking belt, improper belt tension, bad roller bearing…
Repair guides for treadmills
These step-by-step repair guides will help you safely fix what’s broken on your treadmill.
How to replace a treadmill motor controller
Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…
Repair difficulty
Time required
15 minutes or less
How to replace a treadmill walking belt
A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…
Repair difficulty
Time required
45 minutes or less
How to replace a treadmill drive motor
A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…
Repair difficulty
Time required
15 minutes or less
Articles and videos for treadmills
Use the advice and tips in these articles and videos to get the most out of your treadmill.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn how to use a multimeter to check for wiring problems in an appliance that's not working…