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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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  • In the search box below, enter all or part of the part number or the part’s name.

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  |
Pal Nut 791-181247
#46

Engine diagram

Pal nut

Part #791-181247

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

E-clip 791-181532
#34

Boom and trimmer diagram

E-clip

Part #791-181532

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

Cylinder 791-182745

#NI05

All parts diagram

Cylinder

Part #791-182745

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

Cylinder Head 791-182653
#14

Engine diagram

Cylinder head

Part #791-182653

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

Housing 791-182808
#1

Boom and trimmer diagram

Housing

Part #791-182808

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

Washer 791-181561
#31

Boom and trimmer diagram

Washer

Part #791-181561

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

Shaft 791-181852
#23

Boom and trimmer diagram

Shaft

Part #791-181852

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

Washer 791-182409
#85

Engine diagram

Washer

Part #791-182409

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

Line Filter 791-182353
#32

Engine diagram

Line filter

Part #791-182353

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…

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 …

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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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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