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Homelite
Gas Line Trimmer

Model # UT20811 Official Homelite gas line trimmer

Here are the diagrams and repair parts for Official Homelite UT20811 gas line trimmer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 165 parts  |
Filter UP03871
#7

Carburetor/fuel tank diagram

Filter

Part #UP03871

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

Adapter UP06690
Adapter

Part #UP06690

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

Truss Hd S UP04247
#28

Ignition/rotor/starter/clutch diagram

Truss hd s

Part #UP04247

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

Curb Guide UP06877
#25

Edger attachment diagram

Curb guide

Part #UP06877

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

Clamp Spring UP03913
#14

Carburetor/fuel tank diagram

Clamp spring

Part #UP03913

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

Shaft Assembly UP03851
#9

Shaft/deflector (ut2081/811a) diagram

Shaft assembly

Part #UP03851

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

Screw 12-2 UP06928
#28

Shaft/deflector (ut20811b) diagram

Screw 12-2

Part #UP06928

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

Connector UP04104
#12

Ignition/rotor/starter/clutch diagram

Connector

Part #UP04104

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

Ignition Module UP05270
#C

Ignition/rotor/starter/clutch diagram

Ignition module

Part #UP05270

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

Lead UP04537
#4

Ignition/rotor/starter/clutch diagram

Lead

Part #UP04537

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

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Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

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How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

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Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

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

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Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

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How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

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How to tune up a grass line trimmer video

How to tune up a grass line trimmer video

Tune of your grass line trimmer, following the steps in this video.…

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