Makita
Gas Chainsaw

Model # DCS520I Official Makita 18" gas chainsaw

Here are the diagrams and repair parts for Official Makita DCS520I 18" gas 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 185 parts  |

Air Duct, Dc 020112010
#34

Ignitlon electronics/flywheel/starter diagram

Air duct, dc

Part #020112010

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

Lever, Dcs52 020150330
#21

Carburetor diagram

Lever, dcs52

Part #020150330

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

Clutch Drum 020223101
#10

Oil pump, clutch, chain brake diagram

Clutch drum

Part #020223101

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

Shaft Lever 001150610
#9

Carburetor diagram

Shaft lever

Part #001150610

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

Choke Needle 001150660
#19

Carburetor diagram

Choke needle

Part #001150660

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

Washer 5.2 X 924500049
#35

Oil pump, clutch, chain brake diagram

Washer 5.2 x

Part #924500049

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

Connecting M 020171100
#26

Hood/air filter/intake system diagram

Connecting m

Part #020171100

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

Carburetor Cpl 027150170
#1

Carburetor diagram

Carburetor cpl

Part #027150170

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

Key 939620371
#24

Cylinder/piston/crankshaft diagram

Key

Part #939620371

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

Screw M5x14 908305145
Screw m5x14

Part #908305145

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.

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

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

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

Repair guides for gas chainsaws

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

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 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...

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...

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.

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....

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....