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Solo 645 chainsaw Parts

Here are the diagrams and repair parts for Solo 645 chainsaw, as well as links to manuals and error code tables, if available.

Solo 645 chainsaw
By Schematic
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This is the number corresponding to the part on the diagram / schematic

Browse Parts for 645 Chainsaws

  • Check Valve for Solo 645 - Part 2700382

    Cylinder/ignition module diagram

    Check Valve

    Part #2700382

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

  • Piston Ring (2) (639) for Solo 645 - Part 2048358

    Cylinder/ignition module diagram

    Piston Ring (2) (639)

    Part #2048358

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

  • Throttle for Solo 645 - Part 6074992

    Cylinder/ignition module diagram

    Throttle

    Part #6074992

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

  • Oil Seal for Solo 645 - Part 0054220

    Cylinder/ignition module diagram

    Oil Seal

    Part #0054220

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

  • Nut for Solo 645 - Part 0020145

    Cylinder/ignition module diagram

    Nut

    Part #0020145

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

  • Starter Pulley for Solo 645 - Part 2074419

    Starter diagram

    Starter Pulley

    Part #2074419

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

  • Spring for Solo 645 - Part 0073392

    Handle/cover diagram

    Spring

    Part #0073392

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

  • Handle Housing, Red for Solo 645 - Part 6100421

    Handle/cover diagram

    Handle Housing, Red

    Part #6100421

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

  • Stop Lever for Solo 645 - Part 6074916

    Cylinder/ignition module diagram

    Stop Lever

    Part #6074916

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

  • Handle Bar for Solo 645 - Part 6074991

    Handle/cover diagram

    Handle Bar

    Part #6074991

    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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