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Ryobi
Gas Line Trimmer

Model # 11A-436N063 Official Ryobi trimmer

Here are the diagrams and repair parts for Official Ryobi 11A-436N063 trimmer, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 130 parts  |
Clamp Assembly 791-153597
#22

Boom and trimmer diagram

Clamp assembly

Part #791-153597

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

Kit 753-04014

#NI04

All parts diagram

Kit

Part #753-04014

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

Bushing 791-181857
#25

Boom and trimmer diagram

Bushing

Part #791-181857

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

Blade Assembly 791-682061
#28

Boom and trimmer diagram

Blade assembly

Part #791-682061

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

Cover 753-1239
#58

Engine diagram

Cover

Part #753-1239

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

Clamp 791-181812
#11

Boom and trimmer diagram

Clamp

Part #791-181812

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

Spring 791-181531
#35

Boom and trimmer diagram

Spring

Part #791-181531

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

Bracket Assembly 791-683295
#9

Boom and trimmer diagram

Bracket assembly

Part #791-683295

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

Valve 791-181040
#73

Engine diagram

Valve

Part #791-181040

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

Spark Plug 791-180852B

#NI01

All parts diagram

Spark plug

Part #791-180852B

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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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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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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