Ryobi
Gas Line Trimmer

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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Model diagram and schematic

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ALL PARTS
Showing 10 of 98 parts  |

Screw 153318
#20

Boom and trimmer diagram

Screw

Part #153318

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

Fuel Line 682039
#23

Engine diagram

Fuel line

Part #682039

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

Handle 610300
#34

Engine diagram

Handle

Part #610300

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

Shaft 683608
#16

Boom and trimmer diagram

Shaft

Part #683608

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

Guide 611061
#32

Engine diagram

Guide

Part #611061

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

Assmy, J H 683815
#10

Boom and trimmer diagram

Assmy, j h

Part #683815

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

Inner Reel 153600
#29

Boom and trimmer diagram

Inner reel

Part #153600

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

Mount Pad 145308
#24

Engine diagram

Mount pad

Part #145308

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.

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

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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.

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…

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 …

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…

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.

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…

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.…

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…