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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

  • Earth Wire, Assembly (644 H/651 H) for Solo 644 - Part 0084575

    Crankcase assembly diagram

    Earth Wire, Assembly (644 H/651 H)

    Part #0084575

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

  • Spring for Solo 644 - Part 0070265

    Chain saw engine diagram

    Spring

    Part #0070265

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

  • Connection Link With Rivet (644/651) for Solo 644 - Part 0540212

    Chain saw engine diagram

    Connection Link With Rivet (644/651)

    Part #0540212

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

  • Connection Link  (644/651) for Solo 644 - Part 0540217

    Chain saw engine diagram

    Connection Link (644/651)

    Part #0540217

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

  • Sticker "solo 644" (651) for Solo 644 - Part 0069679

    Handle bar diagram

    Sticker "solo 644" (651)

    Part #0069679

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

  • Vent Hose for Solo 644 - Part 6063304

    Handle bar diagram

    Vent Hose

    Part #6063304

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

  • Grommet for Solo 644 - Part 2063333

    Chain saw engine diagram

    Grommet

    Part #2063333

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

  • Gasket for Solo 644 - Part 0072144

    Chain saw engine diagram

    Gasket

    Part #0072144

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

  • Filter Clip for Solo 644 - Part 2074946

    Chain saw engine diagram

    Filter Clip

    Part #2074946

    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

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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