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Ryobi
Gas Line Trimmer

Model # 725R SERIAL 512000001 AND GREATER Official Ryobi trimmer

Here are the diagrams and repair parts for Official Ryobi 725R-SERIAL-512000001-AND-GREATER 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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Model diagram and schematic

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ALL PARTS
Showing 10 of 88 parts  |
Closure Tube 612021
#8

Boom and trimmer diagram

Closure tube

Part #612021

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

Seal 610309

#NI

All parts diagram

Seal

Part #610309

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

2-cycle Oil 147541

#NI

All parts diagram

2-cycle oil

Part #147541

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

Repair Kit 180091

#NI

All parts diagram

Repair kit

Part #180091

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

Clutch Assembly 181445
#34

Engine diagram

Clutch assembly

Part #181445

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

Primer Assembly 181558
#9

Engine diagram

Primer assembly

Part #181558

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

Housing 181554
#4

Boom and trimmer diagram

Housing

Part #181554

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

Spring 610314
#2

Boom and trimmer diagram

Spring

Part #610314

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

Inner Spring 181465
#34

Boom and trimmer diagram

Inner spring

Part #181465

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

Filter 180350
#2

Engine diagram

Filter

Part #180350

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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