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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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ALL PARTS
Showing 10 of 185 parts  |
Carburetor Cpl 027150170
#1

Carburetor diagram

Carburetor cpl

Part #027150170

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

Piston Pin 020132030
#4

Cylinder/piston/crankshaft diagram

Piston pin

Part #020132030

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

Hexagonal Nut M8 923208003
#43

Oil pump, clutch, chain brake diagram

Hexagonal nut m8

Part #923208003

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

Prefilter, D 020173011
#36

Cylinder/piston/crankshaft diagram

Prefilter, d

Part #020173011

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

Buffer 965403430
#10

Cylinder/piston/crankshaft diagram

Buffer

Part #965403430

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

Suction Head 963601260
#9

Tubular grip/rubber buffer/muffler diagram

Suction head

Part #963601260

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

Straining Screen 389213080
#11

Cylinder/piston/crankshaft diagram

Straining screen

Part #389213080

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

Lever Link 020117290
#7

Tubular grip/rubber buffer/muffler diagram

Lever link

Part #020117290

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

Main Adjustment Screw 020150520
#12

Carburetor diagram

Main adjustment screw

Part #020150520

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…

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

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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