Sears
Cycling

Model # 503479030 Official Sears 16" bmx bicycle

Here are the diagrams and repair parts for Official Sears 503479030 16" 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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Showing 10 of 31 parts  |

Spoke/nipple 049507
#20

Unit parts diagram

Spoke/nipple

Part #049507

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

Craftsman Rim Strip 042004
#9C

Unit parts diagram

Craftsman rim strip

Part #042004

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

Huffy Tube 041004
#9B

Unit parts diagram

Huffy tube

Part #041004

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

Seat Clp Asm 035005
#24

Unit parts diagram

Seat clp asm

Part #035005

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

Huffy Bicycle Wheel, Front 045006
#9

Unit parts diagram

Huffy bicycle wheel, front

Part #045006

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

Huffy Tire 040006
#9A

Unit parts diagram

Huffy tire

Part #040006

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

Pr Sprocket 106002
#21

Unit parts diagram

Pr sprocket

Part #106002

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

Kickstand 076032

#NI

All parts diagram

Kickstand

Part #076032

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

Bolt W/wedge 008006
#4

Unit parts diagram

Bolt w/wedge

Part #008006

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

Fork Assy 005024
#8

Unit parts diagram

Fork assy

Part #005024

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

Symptoms for gas walk-behind mowers

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Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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.…

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.…

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Find out how to test and fix problems with the spark plug, stop wire, ignition coil and flywheel.…