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Echo
Gas Chainsaw

Model # CS-400 Official Echo chainsaw

Here are the diagrams and repair parts for Official Echo CS-400 chainsaw, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 212 parts  |
Cyl Cover A160000761
#4

Cylinder cover/ignition switch diagram

Cyl cover

Part #A160000761

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

Choke Knob A241000140
#26

Cylinder cover/ignition switch diagram

Choke knob

Part #A241000140

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

Spanner-17x19mm 89512220960
#8

Tools diagram

Spanner-17x19mm

Part #89512220960

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

Choke Return Spring P003000140
#7

Carburetor - wt-820 diagram

Choke return spring

Part #P003000140

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

Ex Gasket V104000731
#7

Exhaust diagram

Ex gasket

Part #V104000731

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

Screw, Choke Valve 12311438830
Screw, choke valve

Part #12311438830

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

Choke Shaft P003000150
#4

Carburetor - wt-820 diagram

Choke shaft

Part #P003000150

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

Circle Clip 10001503931
#7

Engine/short bloc--sb1089 diagram

Circle clip

Part #10001503931

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

Primer Pipe V471001470
#19

Cylinder cover/ignition switch diagram

Primer pipe

Part #V471001470

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

Handle Grip 35111119830
#22

Handle/throttle control/engine cover diagram

Handle grip

Part #35111119830

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

Symptoms for gas chainsaws

Choose a symptom to see related chainsaw repairs.

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What should I do if my chainsaw leaks gas?

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

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Why does my chainsaw run roughly?

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…

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Why won't my chainsaw start?

Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings…

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Repair guides for gas chainsaws

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

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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…

Read more
Repair difficulty
Time required
 15 minutes or less
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…

Read more
Repair difficulty
Time required
 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…

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Repair difficulty
Time required
 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.

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What are the most common replacement parts for chainsaws?

What are the most common replacement parts for chainsaws?

Learn about the most common replacement parts for chainsaws and how they can help you fix chainsaw problems.…

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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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