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MTD
Gas Line Trimmer

Model # 41AD29SA791 Official MTD gas line trimmer/weedwacker

Here are the diagrams and repair parts for Official MTD 41AD29SA791 gas line trimmer/weedwacker, 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 65 parts  |
Lawn & Garden Equipment Engine Spark Plug (replaces 794-00043) 794-00082
#18

Engine assembly diagram

Lawn & garden equipment engine spark plug (replaces 794-00043)

Part #794-00082

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Kmart Lawn & Garden Equipment Engine Air Filter 753-05254
#26

Engine assembly diagram

Kmart lawn & garden equipment engine air filter

Part #753-05254

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Line Trimmer Fuel Tank Assembly 753-06797
#28

Engine assembly diagram

Line trimmer fuel tank assembly

Part #753-06797

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Line Trimmer Carburetor Kit (replaces 753-06258) 753-06258A
#23

Engine assembly diagram

Line trimmer carburetor kit (replaces 753-06258)

Part #753-06258A

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Kmart Lawn & Garden Equipment Clutch Assembly 753-06281
#32

Engine assembly diagram

Kmart lawn & garden equipment clutch assembly

Part #753-06281

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Line Trimmer Gearbox 753-08180
#58

General assembly diagram

Line trimmer gearbox

Part #753-08180

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Line Trimmer Bump Feed Knob 753-09365
#66

General assembly diagram

Line trimmer bump feed knob

Part #753-09365

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Line Trimmer Drive Shaft Assembly, Upper 841-033532S
#50

General assembly diagram

Line trimmer drive shaft assembly, upper

Part #841-033532S

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Kmart Line Trimmer Air Filter 753-05831
#25

Engine assembly diagram

Kmart line trimmer air filter

Part #753-05831

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$31.60 | 
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Ryobi Lawn & Garden Equipment Carburetor Gasket 791-181709
#42

Engine assembly diagram

Ryobi lawn & garden equipment carburetor gasket

Part #791-181709

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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…

Read more
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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