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Solo 645 chainsaw

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.

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Browse Parts for 645 Chainsaws

  • Screw, 2-pack for Solo 645 - Part 0018382

    Cylinder/ignition module diagram

    Screw, 2-pack

    Part #0018382

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

  • Spring Washer for Solo 645 - Part 0072140

    Spring Washer

    Part #0072140

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

  • Chainsaw Tension Adjustment Screw for Solo 645 - Part 0018230

    Cylinder/ignition module diagram

    Chainsaw Tension Adjustment Screw

    Part #0018230

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

  • Spark Plug for Solo 645 - Part 6063322

    Cylinder/ignition module diagram

    Spark Plug

    Part #6063322

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

  • Chain, 38 Cm, (15"), .325", G=1.5 for Solo 645 - Part 6900875

    Cylinder/ignition module diagram

    Chain, 38 Cm, (15"), .325", G=1.5

    Part #6900875

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

  • Carburetor Primer for Solo 645 - Part 2300709

    Cylinder/ignition module diagram

    Carburetor Primer

    Part #2300709

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

  • Lawn & Garden Equipment O-ring for Solo 645 - Part 0062288

    Cylinder/ignition module 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 645 - Part 6074976

    Cylinder/ignition module diagram

    Chainsaw Oil Pump Drive Worm

    Part #6074976

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

  • Crankshaft Compl (639) (incl. Keys 7,8,9,12,15,16,17,20) for Solo 645 - Part 2200939

    Cylinder/ignition module diagram

    Crankshaft Compl (639) (incl. Keys 7,8,9,12,15,16,17,20)

    Part #2200939

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

  • Scabbard for Solo 645 - Part 6071258

    Cylinder/ignition module diagram

    Scabbard

    Part #6071258

    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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