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Ryobi
Gas Line Trimmer

Model # 725R Official Ryobi trimmer

Here are the diagrams and repair parts for Official Ryobi 725R 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 99 parts  |
Yard Machines Lawn & Garden Equipment Engine Air Filter 791-180350B
#2

Engine diagram

Yard machines lawn & garden equipment engine air filter

Part #791-180350B

This item is not returnable
$13.02 | 
13% OFF Phone Price : $15.02
In Stock
Click Link 791-181616
#16

Boom and trimmer diagram

Click link

Part #791-181616

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

Strap 791-682075

#NI08

All parts diagram

Strap

Part #791-682075

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

Reed Assembly 791-684451
#13

Engine diagram

Reed assembly

Part #791-684451

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

Lawn & Garden Equipment Engine Spark Plug DJ7Y
#42

Engine diagram

Lawn & garden equipment engine spark plug

Part #DJ7Y

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

Boom Assembly 791-182309
#5

Boom and trimmer diagram

Boom assembly

Part #791-182309

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

Lever 791-182060
#7

Engine diagram

Lever

Part #791-182060

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

Knob 791-181618
#19

Boom and trimmer diagram

Knob

Part #791-181618

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

Fuel Tank 753-04311
#17

Engine diagram

Fuel tank

Part #753-04311

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 …

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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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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