Makita
Gas Chainsaw

Model #DCS540-18 Makita chainsaw

Here are the diagrams and repair parts for Makita DCS540-18 chainsaw, as well as links to manuals and error code tables, if available.


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Showing 10 of 194 parts

Chain, 18-in

#401

Cylinder, piston and accessories Diagram

Chain, 18-in

Part #72V064G
?
Manufacturer substitution
This part replaces 523-102-064. Substitute parts can look different from the original.
This part replaces 523-102-064
$22.08

In Stock

FIXING BUSH

#4

Fuel tank, tubular grip Diagram

Fixing bush

Part #021-114-051

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

SET GASKET/DIAPHRAGM

#6

Carburetor Diagram

Set gasket/diaphragm

Part #021-151-540

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

REPAIR KIT CPL.

#2

Oil pump Diagram

Repair kit cpl.

Part #030-245-070

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

Pump Cover

#3

Carburetor Diagram

Pump cover

Part #118-151-165

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

NUT (2)

#4

Hood, air filter, muffler Diagram

Nut (2)

Part #001-118-062

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

Choke Shutter

#15

Carburetor Diagram

Choke shutter

Part #001-151-260

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

Screw

#5

Carburetor Diagram

Screw

Part #118-151-120

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

FRICTION BALL

#16

Carburetor Diagram

Friction ball

Part #118-151-170

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

TENSION SPRING (3)

#37

Oil pump Diagram

Tension spring (3)

Part #024-184-021

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: 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.

February 1, 2014
By Lyle Weischwill
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 experience. These instructions show you how.

Repair difficulty
Time required
 15 minutes or less
February 1, 2014
By Lyle Weischwill
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 rebuild it, using a carburetor rebuild kit. This repair guide takes you through the process.

Repair difficulty
Time required
 15 minutes or less
February 1, 2014
By Lyle Weischwill
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 easier to replace the carburetor than to clean it and rebuild it. Follow these steps to do the job yourself in about half an hour.

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas chainsaws

Use the advice and tips in these articles and videos to get the most out of your chainsaw.

June 1, 2016

Chainsaw care and troubleshooting tips

By Sears PartsDirect staff

Learn the basics of taking care of your chainsaw and solving common problems.

March 1, 2016

How to sharpen a chainsaw

By Jeff Day

Find out how to sharpen a chainsaw.

May 1, 2015

5 tips for a hard-to-start chainsaw

By Sears PartsDirect staff

These tips may help you get your hard-to-start chainsaw running.