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McCulloch
Gas Chainsaw

Model # 41BY89AR077 Official McCulloch chainsaw

Here are the diagrams and repair parts for Official McCulloch 41BY89AR077 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 85 parts  |
Chain MC-6220-210805
#78

Chain saw diagram

Chain

Part #MC-6220-210805

Replaced by #91PX060G

?
Manufacturer substitution
This part replaces MC-6220-210805. Substitute parts can look different from the original.
$33.91 | 
15% OFF Phone Price : $39.91
In Stock
Screw MC-9SKKBY8/16-0.75
#37

Chain saw diagram

Screw

Part #MC-9SKKBY8/16-0.75

Replaced by #710-04232

?
Manufacturer substitution
This part replaces MC-9SKKBY8/16-0.75. Substitute parts can look different from the original.
$9.69
In Stock
Cable Holder MC-9012-310503
#49

Chain saw diagram

Cable holder

Part #MC-9012-310503

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

Lawn & Garden Equipment Nut MC-9NAZ-5/16-18
#84

Chain saw diagram

Lawn & garden equipment nut

Part #MC-9NAZ-5/16-18

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

Chainsaw Spark Plug Wrench MC-9042-310201
#86

Chain saw diagram

Chainsaw spark plug wrench

Part #MC-9042-310201

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

Oil Pipe MC-9013-310501
#54

Chain saw diagram

Oil pipe

Part #MC-9013-310501

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

Brake Kit Assembly MC-9228-310901
#83

Chain saw diagram

Brake kit assembly

Part #MC-9228-310901

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

Screw MC-9SKKBY8/16-1.4
#69

Chain saw diagram

Screw

Part #MC-9SKKBY8/16-1.4

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

Crank Rod Assembly MC-9228-310505
#3

Chain saw diagram

Crank rod assembly

Part #MC-9228-310505

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

Spring MC-9024-310504
#26

Chain saw diagram

Spring

Part #MC-9024-310504

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…

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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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