Solo
Gas Chainsaw

Model # 639 Official Solo chainsaw

Here are the diagrams and repair parts for Official Solo 639 chainsaw, 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 198 parts  |

Bar, 18-in 6900861
#200B

Cylinder/ignition module diagram

Bar, 18-in

Part #6900861

Replaced by #180VXLGK095

?
Manufacturer substitution
This part replaces 6900861. Substitute parts can look different from the original.
In Stock
Bar 15" 6900343
#200A

Cylinder/ignition module diagram

Bar 15"

Part #6900343

Replaced by #160VXLGK095

?
Manufacturer substitution
This part replaces 6900343. Substitute parts can look different from the original.
In Stock
Chainsaw Cover 6100371
#45

Cylinder/ignition module diagram

Chainsaw cover

Part #6100371

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

Short-circuit Cable 0084634
#77

Cylinder/ignition module diagram

Short-circuit cable

Part #0084634

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

Vent Hose, Incl. Keys 16 & 17 2500640
#20

Handle/cover diagram

Vent hose, incl. keys 16 & 17

Part #2500640

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

Screw 0011302
#72

Handle/cover diagram

Screw

Part #0011302

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

Brake Band 6200131
#30

Cylinder/ignition module diagram

Brake band

Part #6200131

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

Circle Clip 0055136
#20

Cylinder/ignition module diagram

Circle clip

Part #0055136

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

Piston Pin 203111725
#122A

Cylinder/ignition module diagram

Piston pin

Part #203111725

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

Clutch 3500405
#26

Cylinder/ignition module diagram

Clutch

Part #3500405

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

Symptoms for gas chainsaws

Choose a symptom to see related chainsaw repairs.

Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings…

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Repair guides for gas chainsaws

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

How to rebuild a chainsaw carburetor

How to rebuild a chainsaw carburetor

If your chainsaw isn't running well, a dirty carburetor could be the problem. You can take it apart, clean it and rebuil…

Repair difficulty
Time required
 15 minutes or less
How to replace chainsaw fuel lines

How to replace chainsaw fuel lines

The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experienc…

Repair difficulty
Time required
 15 minutes or less
How to replace a chainsaw carburetor

How to replace a chainsaw carburetor

If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your chainsaws

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

What are the most common replacement parts for chainsaws?

What are the most common replacement parts for chainsaws?

Learn about the most common replacement parts for chainsaws and how they can help you fix chainsaw problems.…

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.…