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Ryobi
Gas Line Trimmer

Model # 725RE Official Ryobi trimmer

Here are the diagrams and repair parts for Official Ryobi 725RE 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.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 135 parts  |
Mounting Screw 791-181858
#21

Edger diagram

Mounting screw

Part #791-181858

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

Closure Tube 791-612021
#8

Boom and trimmer diagram

Closure tube

Part #791-612021

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

Screw 791-180351
#3

Engine diagram

Screw

Part #791-180351

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

Reel Line 791-181460B

#NI08

All parts diagram

Reel line

Part #791-181460B

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

Spring 791-181459
#33

Boom and trimmer diagram

Spring

Part #791-181459

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

Retainer 791-181458
#31

Boom and trimmer diagram

Retainer

Part #791-181458

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

Bolt 791-181591
#12

Edger diagram

Bolt

Part #791-181591

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

Housing 791-182192
#25

Edger diagram

Housing

Part #791-182192

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

Shroud 791-153520
#22

Engine diagram

Shroud

Part #791-153520

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

Spring 791-181599

#NI06

All parts diagram

Spring

Part #791-181599

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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