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Solo 644 gas chainsaw

Solo 644 gas chainsaw Parts

Here are the diagrams and repair parts for Solo 644 gas chainsaw, as well as links to manuals and error code tables, if available.

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Browse Parts for 644 Chainsaws

  • Circuit Switch for Solo 644 - Part 2300469

    Circuit Switch

    Part #2300469

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

  • Spark Plug Cap for Solo 644 - Part 0084600

    Chain saw engine diagram

    Spark Plug Cap

    Part #0084600

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

  • Spacer for Solo 644 - Part 0033318

    Chain saw engine diagram

    Spacer

    Part #0033318

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

  • Choke Axle Kit for Solo 644 - Part 0510965

    Chain saw engine diagram

    Choke Axle Kit

    Part #0510965

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

  • Nipple for Solo 644 - Part 0067124

    Handle bar diagram

    Nipple

    Part #0067124

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

  • Woodruff Key for Solo 644 - Part 0075100

    Chain saw engine diagram

    Woodruff Key

    Part #0075100

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

  • Starter Grip for Solo 644 - Part 2074206

    Starter diagram

    Starter Grip

    Part #2074206

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

  • Primer Ring for Solo 644 - Part 6074958

    Handle bar diagram

    Primer Ring

    Part #6074958

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

  • Pre-filter for Solo 644 - Part 2500582

    Chain saw engine diagram

    Pre-filter

    Part #2500582

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

  • Drive Link for Solo 644 - Part 0540250

    Chain saw engine diagram

    Drive Link

    Part #0540250

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

Most common symptoms to help you fix your chainsaws

Choose a symptom to see related chainsaw repairs.

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

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…

Repair guides for gas chainsaws

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

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 time and Difficulty

 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 time and Difficulty

 15 minutes or less
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 time and Difficulty

 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.

When to replace a chainsaw bar

When to replace a chainsaw bar

Chainsaw bar wear leads to crooked cuts and chain damage. Learn the signs of wear and how to choose the right replacemen…

How to tune-up a gas chainsaw

How to tune-up a gas chainsaw

Tuning up a chainsaw is easier than you think. Follow these steps to clean, inspect, and replace key parts to keep your …

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.…

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