Model # 720R Official Ryobi line trimmer

Here are the diagrams and repair parts for Official Ryobi 720R line trimmer, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 98 parts |

#NI

All parts diagram

Piston ring

Part #682507

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

Boom and trimmer diagram

Spring

Part #610314

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

Engine diagram

Carburetor

Part #147572

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

#11

Boom and trimmer diagram

Coulping

Part #683605

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

#14

Boom and trimmer diagram

Housing

Part #683604

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

#10

Engine diagram

Mount carburetor

Part #180354

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

#NI

All parts diagram

Gasket kit

Part #180011

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

#18

Boom and trimmer diagram

Washer

Part #145567

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

#24

Boom and trimmer diagram

Shaft

Part #153313

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

#32

Engine diagram

Guide

Part #611061

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...

Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings...

Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank...

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

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow...

Repair difficulty

Time required

15 minutes or less

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 ...

Repair difficulty

Time required

15 minutes or less

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...

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

Model # 720R Official Ryobi line trimmer

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas line trimmers

Why does my gas line trimmer run rough?

Why won't my gas line trimmer start?

Why does my gas line trimmer leak gas?

Repair guides for gas line trimmers

How to rebuild a line trimmer carburetor

How to replace a line trimmer carburetor

How to replace a line trimmer fuel line

Articles and videos for gas line trimmers

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Solving 3 common problems with line trimmer cutting lines

How to replace a line trimmer fuel line video

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