Model # 489472740 Official Sears 27" lightweight bicycle

Here are the diagrams and repair parts for Official Sears 489472740 27" lightweight 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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ALL PARTS

Showing 10 of 53 parts |

#34

(sunbird 12-sp) diagram

Refl brkt

Part #082001

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

#37

(sunbird 12-sp) diagram

Ming ta bicycle brake shoe set

Part #104002

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

#26

(sunbird 12-sp) diagram

Rr wheel asm

Part #045501

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

#35

(sunbird 12-sp) diagram

Refl brkt

Part #082002

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

#47

(sunbird 12-sp) diagram

Drlr cbl csg

Part #087001

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

#16

(sunbird 12-sp) diagram

Axle/brg set

Part #053001

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

(sunbird 12-sp) diagram

Fork assy

Part #005049

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

#46

(sunbird 12-sp) diagram

Derailleur

Part #085501

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

#24

(sunbird 12-sp) diagram

Spkt cluster

Part #075002

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

(sunbird 12-sp) diagram

Bolt wedge

Part #008002

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.

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Why doesn't my snowblower auger turn?

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

Why won't my snowblower clear snow well?

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

Why won't my snowblower start?

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

What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

Why won't my snowblower throw snow far enough?

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

How do I tune up my snowblower?

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

Why does my snowblower engine run rough?

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

Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

Why doesn't my snowblower self propel?

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

Repair guides for gas snowblowers

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

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How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Repair difficulty

Time required

15 minutes or less

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty

Time required

15 minutes or less

How to replace a snowblower chute control gearbox assembly

Replace the chute control gearbox on your snowblower if it's stripped or damaged.…

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.

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Model # 489472740 Official Sears 27" lightweight bicycle

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas snowblowers

Why doesn't my snowblower auger turn?

Why won't my snowblower clear snow well?

Why won't my snowblower start?

What should I do about a damaged snowblower tire?

Why won't my snowblower throw snow far enough?

How do I tune up my snowblower?

Why does my snowblower engine run rough?

Why does my snowblower stop running after a few seconds?

Why doesn't my snowblower self propel?

Repair guides for gas snowblowers

How to replace a snowblower fuel filter

How to replace a snowblower shave plate

How to replace a snowblower chute control gearbox assembly

Articles and videos for gas snowblowers

How to make your snowblower last longer

Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

Snowblower chute won't turn: troubleshooting chute control and gearbox problems video

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