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  |

Isolator Kit A08677
#13

Handles diagram

Isolator kit

Part #A08677

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

Chainsaw E-ring 08981
#29

Clutch/chain brake/drive case cover diagram

Chainsaw e-ring

Part #08981

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

Square Head Screw 07592
#3

Carburetor, muffler, air filter diagram

Square head screw

Part #07592

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

Spark Plug 98217S
#12A

Starter, ignition diagram

Spark plug

Part #98217S

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

Lawn & Garden Equipment Screw 82541
Lawn & garden equipment screw

Part #82541

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

Adjustment Bar Kit A08678
#10A

Clutch/chain brake/drive case cover diagram

Adjustment bar kit

Part #A08678

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

Key 69250
#18

Engine internal, oil pump diagram

Key

Part #69250

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

Carburetor Kit A08674
#8

Carburetor, muffler, air filter diagram

Carburetor kit

Part #A08674

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

Washer 94062
#5

Starter, ignition diagram

Washer

Part #94062

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

Handle Cover A08683
#6

Handles diagram

Handle cover

Part #A08683

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.…