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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.

Solo 644 gas chainsaw
By Schematic
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Browse Parts for 644 Chainsaws

  • Spark Plug for Solo 644 - Part 2300730

    Chain saw engine diagram

    Spark Plug

    Part #2300730

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

  • Crankcase for Solo 644 - Part 2200238

    Chain saw engine diagram

    Crankcase

    Part #2200238

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

  • Screw for Solo 644 - Part 0010541

    Chain saw engine diagram

    Screw

    Part #0010541

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

  • Muffler Assembly for Solo 644 - Part 2500604

    Chain saw engine diagram

    Muffler Assembly

    Part #2500604

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

  • Hand for Solo 644 - Part 6100402

    Handle bar diagram

    Hand

    Part #6100402

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

  • Chainsaw Recoil Starter Assembly for Solo 644 - Part 2600282

    Starter diagram

    Chainsaw Recoil Starter Assembly

    Part #2600282

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

  • Plug for Solo 644 - Part 6074401

    Chain saw engine diagram

    Plug

    Part #6074401

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

  • Lawn & Garden Equipment O-ring for Solo 644 - Part 0062288

    Chain saw engine diagram

    Lawn & Garden Equipment O-ring

    Part #0062288

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

  • Chainsaw Oil Pump Drive Worm for Solo 644 - Part 6074976

    Chain saw engine diagram

    Chainsaw Oil Pump Drive Worm

    Part #6074976

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

  • Lock Button for Solo 644 - Part 6074381

    Handle bar diagram

    Lock Button

    Part #6074381

    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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