Sears
Cycling

Model # 512478710 Official Sears sidewalk bicycle

Here are the diagrams and repair parts for Official Sears 512478710 sidewalk bicycle, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 59 parts  |

Frame 207
#11

Unit parts diagram

Frame

Part #207

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

Frame 180
#11

Crankcase/chain guard diagram

Frame

Part #180

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

Screw Collar 6
Screw collar

Part #6

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

Clamp W/bolt 50
Clamp w/bolt

Part #50

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

Front Axle 19
Front axle

Part #19

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

Chain Guard 417
#21

Unit parts diagram

Chain guard

Part #417

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

Bracket 43
Bracket

Part #43

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

Front Wheel 112
#5

Unit parts diagram

Front wheel

Part #112

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

Washer 17
Washer

Part #17

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

Crnk/sprkt 48
#25

Unit parts diagram

Crnk/sprkt

Part #48

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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.…