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Homelite
Gas Chainsaw

Model # Z3850BC Official Homelite chainsaw

Here are the diagrams and repair parts for Official Homelite Z3850BC 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 139 parts  |
Pan Head Screw 06851
#11

Engine internal, oil pump diagram

Pan head screw

Part #06851

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

Oil Pump Kit A08682
#1

Engine internal, oil pump diagram

Oil pump kit

Part #A08682

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

Chainsaw Spring Retainer 01812A
#16

Handles diagram

Chainsaw spring retainer

Part #01812A

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

Spring A97908
#2

Starter, ignition diagram

Spring

Part #A97908

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

Screw 82623
#21

Clutch/chain brake/drive case cover diagram

Screw

Part #82623

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

Lawn & Garden Equipment Screw 06844
#13

Clutch/chain brake/drive case cover diagram

Lawn & garden equipment screw

Part #06844

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

Bolt 04945
Bolt

Part #04945

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

Handgard Lnk 07406
#4

Clutch/chain brake/drive case cover diagram

Handgard lnk

Part #07406

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

Bearing 04927
#27

Clutch/chain brake/drive case cover diagram

Bearing

Part #04927

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

Chain Brake Kit A08680
#17

Clutch/chain brake/drive case cover diagram

Chain brake kit

Part #A08680

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…

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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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