McCulloch
Gas Chainsaw

Model # 41CY09AS777 Official McCulloch chainsaw

Here are the diagrams and repair parts for Official McCulloch 41CY09AS777 chainsaw, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 128 parts  |

Mtd Chainsaw Fuel Tank Assembly MC-9228-310205
#60

Chain saw diagram

Mtd chainsaw fuel tank assembly

Part #MC-9228-310205

In Stock
Chain-20" MC-9220-31B203
#123

Chain saw diagram

Chain-20"

Part #MC-9220-31B203

Replaced by #95TXL078G

?
Manufacturer substitution
This part replaces MC-9220-31B203. Substitute parts can look different from the original.
In Stock
Ignition MC-9288-310201-CH
#29

Chain saw diagram

Ignition

Part #MC-9288-310201-CH

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

Chainsaw Air Cleaner MC-9228-310204
#87

Chain saw diagram

Chainsaw air cleaner

Part #MC-9228-310204

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

Spring MC-9024-310207
#107

Chain saw diagram

Spring

Part #MC-9024-310207

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

Flex Conduit MC-9059-310201
#19

Chain saw diagram

Flex conduit

Part #MC-9059-310201

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

Isolator MC-9059-310204
#76

Chain saw diagram

Isolator

Part #MC-9059-310204

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

Screw MC-9SKKBY10/14-0.625
Screw

Part #MC-9SKKBY10/14-0.625

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

Screw MC-9SKKZY10/14-01
#69

Chain saw diagram

Screw

Part #MC-9SKKZY10/14-01

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

Clutch MC-9228-310210
#118

Chain saw diagram

Clutch

Part #MC-9228-310210

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.…