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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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ALL PARTS
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.
$17.91 | 
10% OFF Phone Price : $19.91
In Stock
Gasket 791-181048
#38

Engine parts diagram

Gasket

Part #791-181048

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

Gasket 791-182099
#5

Engine parts diagram

Gasket

Part #791-182099

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

Button 791-181008
#81

Engine parts diagram

Button

Part #791-181008

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

Wrist Pin 791-181006
#83

Engine parts diagram

Wrist pin

Part #791-181006

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

Power Switch 791-182365
#45

Engine parts diagram

Power switch

Part #791-182365

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

Clutch Drum 791-153592
#57

Engine parts diagram

Clutch drum

Part #791-153592

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

Rope 791-613103
#52

Engine parts diagram

Rope

Part #791-613103

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

Follower 753-1242
#70

Engine parts diagram

Follower

Part #753-1242

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

Clamp 791-181812
#7

Boom and trimmer diagram

Clamp

Part #791-181812

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 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 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 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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Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & garden tools for 2023…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Grass line trimmer maintenance checklist

Grass line trimmer maintenance checklist

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this help…

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