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Ryobi
Gas Line Trimmer

Model # 720R-1 Official Ryobi trimmer

Here are the diagrams and repair parts for Official Ryobi 720R-1 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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ALL PARTS
Showing 10 of 102 parts  |
Hardware 153317
#6

Boom & trimmer diagram

Hardware

Part #153317

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

Pwer Shaft 180022
#12

Engine diagram

Pwer shaft

Part #180022

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

Bolt 147575
#48

Engine diagram

Bolt

Part #147575

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

Mount Carburetor 180033
#9

Engine diagram

Mount carburetor

Part #180033

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

Bearing 682041
#15

Engine diagram

Bearing

Part #682041

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

Repair Kit 153309

#NI

All parts diagram

Repair kit

Part #153309

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

Shaft 683608
#13

Boom & trimmer diagram

Shaft

Part #683608

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

D-handle 145568
#5

Boom & trimmer diagram

D-handle

Part #145568

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

Muffler Assembly 180119
#47

Engine diagram

Muffler assembly

Part #180119

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

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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