Sears
Cycling

Model # 502451814 Official Sears middleweight bicycle

Here are the diagrams and repair parts for Official Sears 502451814 middleweight 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 40 parts  |

Frnt Hub Set 9850-12

#NI

All parts diagram

Frnt hub set

Part #9850-12

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

Spoke 10422
#9J

Frame assembly diagram

Spoke

Part #10422

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

Part 10423
#9I

Frame assembly diagram

Part

Part #10423

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

F-wheel 24 14557
#9F

Frame assembly diagram

F-wheel 24

Part #14557

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

Slf-tpng Scw 26X49
#9K

Frame assembly diagram

Slf-tpng scw

Part #26X49

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

Chain 11323
#9C

Frame assembly diagram

Chain

Part #11323

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

Hub Sheel 10641

#NI

All parts diagram

Hub sheel

Part #10641

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

Bar Stem 27160
#9B

Frame assembly diagram

Bar stem

Part #27160

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

Frame 27240
#1A

Frame assembly diagram

Frame

Part #27240

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

Stand 13219
#6B

Frame assembly diagram

Stand

Part #13219

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

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: dirty carburetor, stale fuel…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Repair guides for gas snowblowers

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

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower auger drive cable

How to replace a snowblower auger drive cable

A loose or snapped auger drive cable can prevent the auger from rotating. Follow this step-by-step guide to replace the …

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower friction disc

How to replace a snowblower friction disc

The friction disc is one of the components of the drive system. If it's worn or damaged, the snowblower won't self-prope…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas snowblowers

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

How to tune up a snowblower video

How to tune up a snowblower video

Get an overview of the main steps in a snowblower tune-up and click to videos with more details.…

Start-of-winter snowblower care

Start-of-winter snowblower care

Get your snowblower ready for winter before winter arrives, so you don't have to mess with it while snow piles up.…

How to store a snowblower

How to store a snowblower

Protect your snowblower's engine and body by preparing it for after-season storage.…