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Sears 507456740 20" boys' sonic bicycle Parts

Here are the diagrams and repair parts for Sears 507456740 20" boys' sonic bicycle, as well as links to manuals and error code tables, if available.

Sears 507456740 20" boys' sonic bicycle
By Schematic
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Browse Parts for 507456740 20" Boys' Sonic Bicycle

  • Frt Axl Nut for Sears 507456740 - Part 055003

    #NI

    All parts diagram

    Frt Axl Nut

    Part #055003

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

  • Flat Washer For Seat for Sears 507456740 - Part STD551031

    #NI

    All parts diagram

    Flat Washer For Seat

    Part #STD551031

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

  • Spoke Wrench for Sears 507456740 - Part 103010

    #NI

    All parts diagram

    Spoke Wrench

    Part #103010

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

  • Stem Assembly for Sears 507456740 - Part 011056

    Unit parts diagram

    Stem Assembly

    Part #011056

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

  • Reflectr Set for Sears 507456740 - Part 080001

    Unit parts diagram

    Reflectr Set

    Part #080001

    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: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: bad control console, wiring failure, bad motor control board…

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…

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 walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair time and Difficulty

 30 minutes or less
How to replace a treadmill drive motor

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 time and Difficulty

 15 minutes or less
How to replace a treadmill walking belt

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 time and Difficulty

 45 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.

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…

Easy DIY treadmill repairs

Easy DIY treadmill repairs

Learn about treadmill repairs that you can easily do yourself.…

How to maintain a treadmill

How to maintain a treadmill

Keep your treadmill in shape by following these tips.…

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