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Troybilt
Gas Line Trimmer

Model # YM26CO Official Troybilt trimmer

Here are the diagrams and repair parts for Official Troybilt YM26CO 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 115 parts  |
Knob Asm-bmp 791-153066
#23

Boom and trimmer diagram

Knob asm-bmp

Part #791-153066

Replaced by #791-153066B

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Manufacturer substitution
This part replaces 791-153066. Substitute parts can look different from the original.
$18.38 | 
10% OFF Phone Price : $20.38
In Stock
Screw 791-181080
#32

Engine parts diagram

Screw

Part #791-181080

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

Inner Reel 791-610318
#22

Boom and trimmer diagram

Inner reel

Part #791-610318

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

Line Trimmer Carburetor Adapter 791-182347
#19

Engine parts diagram

Line trimmer carburetor adapter

Part #791-182347

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

Screw 791-182348
#20

Engine parts diagram

Screw

Part #791-182348

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

Cover 791-181045
#41

Engine parts diagram

Cover

Part #791-181045

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

Screw 791-145569
Screw

Part #791-145569

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

Rocker Arm 791-182100
#8

Engine parts diagram

Rocker arm

Part #791-182100

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

Fuel Line 791-182352
#30

Engine parts diagram

Fuel line

Part #791-182352

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

Handle 791-181079
#50

Engine parts diagram

Handle

Part #791-181079

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 …

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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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