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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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Showing 10 of 212 parts  |
Label-kick Back 89019130131
#4

Labels diagram

Label-kick back

Part #89019130131

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

! 1 (spanish: + 1) N/P
! 1 (spanish: + 1)

Part #N/P

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

Roller 9305030098
#8

Chain brake diagram

Roller

Part #9305030098

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

Piston Pin V607000000
#6

Engine/short bloc--sb1089 diagram

Piston pin

Part #V607000000

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

Clip 12312715030
#8

Carburetor - wt-820 diagram

Clip

Part #12312715030

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

Spark Plug Cap A427000012
#9

Ignition/flywheel diagram

Spark plug cap

Part #A427000012

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

Spring, Trigger Return V452000260
#18

Handle/throttle control/engine cover diagram

Spring, trigger return

Part #V452000260

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

Throttle Lever P003001780
#10

Carburetor - wt-820 diagram

Throttle lever

Part #P003001780

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

Washer 12314926030
#5

Carburetor - wt-820 diagram

Washer

Part #12314926030

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

Diaphragm/gasket Kit (includes Item 39-42) P003000240
#38

Carburetor - wt-820 diagram

Diaphragm/gasket kit (includes item 39-42)

Part #P003000240

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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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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Why does my chainsaw run roughly?

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

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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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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 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
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…

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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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