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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.
Owner’s manualBy Schematic
SELECT DIAGRAM
Browse Parts for
720R Line Trimmers
#1
Engine diagram
Cover assembly
Part #180349
The manufacturer no longer makes this part, and there's no substitute part
#1
Boom and trimmer diagram
Housing
Part #180277
The manufacturer no longer makes this part, and there's no substitute part
#27
Engine diagram
Flywheel
Part #153624
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Screw
Part #147544
The manufacturer no longer makes this part, and there's no substitute part
#8
Boom and trimmer diagram
Closure tube
Part #612021
The manufacturer no longer makes this part, and there's no substitute part
#25
Engine diagram
Shroud
Part #153520
The manufacturer no longer makes this part, and there's no substitute part
#48
Engine diagram
Bolt
Part #147575
The manufacturer no longer makes this part, and there's no substitute part
#50
Engine diagram
Piston rod
Part #147012
The manufacturer no longer makes this part, and there's no substitute part
#35
Engine diagram
Rope
Part #613103
The manufacturer no longer makes this part, and there's no substitute part
#8
Engine diagram
Gasket
Part #610675
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, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…
Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…
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
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.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…
Follow the steps in this video to replace a leaking fuel line in a line trimmer.…