Craftsman
Boating

Model # 21759860 Official Craftsman outboard motor

Here are the diagrams and repair parts for Official Craftsman 21759860 outboard motor, 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 240 parts  |

Gasket 631028
#25

Carburetor no. 631477 diagram

Gasket

Part #631028

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

Seal 510105
#26

Motor assembly diagram

Seal

Part #510105

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

Retainer 510106
#27

Motor assembly diagram

Retainer

Part #510106

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

Gasket 510260
#18

Motor assembly diagram

Gasket

Part #510260

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

Spring 510109
#28

Motor assembly diagram

Spring

Part #510109

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

Spring 630738
#5

Carburetor no. 631477 diagram

Spring

Part #630738

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

Seal 510242
#12

Motor assembly diagram

Seal

Part #510242

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

Gasket 510232
#22

Motor assembly diagram

Gasket

Part #510232

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

Gasket 27554
#18

Carburetor no. 631477 diagram

Gasket

Part #27554

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

Washer 630739
#28

Carburetor no. 631477 diagram

Washer

Part #630739

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

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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.

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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 blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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.

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Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

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

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