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Ryobi
Gas Line Trimmer

Model # 775R Official Ryobi gas trimmer

Here are the diagrams and repair parts for Official Ryobi 775R gas 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 105 parts  |
Guard 180548
Guard

Part #180548

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

Bolt 147575
#45

Engine diagram

Bolt

Part #147575

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

Strap 682075

#NI

All parts diagram

Strap

Part #682075

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

Housing 180339
#6

Boom and trimmer-775r diagram

Housing

Part #180339

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

Shaft 683608
#14

Boom and trimmer-775r diagram

Shaft

Part #683608

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

Spring 181599

#NI

All parts diagram

Spring

Part #181599

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

Cap 181562

#NI

All parts diagram

Cap

Part #181562

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

Flywheel 180929
#23

Engine diagram

Flywheel

Part #180929

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

Muffler Assembly 180119
#44

Engine diagram

Muffler assembly

Part #180119

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

Cover Assembly 180349
#1

Engine diagram

Cover assembly

Part #180349

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 …

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

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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