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Ryobi
Gas Line Trimmer

Model # 770R Official Ryobi trimmer

Here are the diagrams and repair parts for Official Ryobi 770R 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 86 parts  |
Bolt 147575
#47

Engine diagram

Bolt

Part #147575

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

Inner Reel 153600
#26

Trimmer diagram

Inner reel

Part #153600

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

Handle 610300
#33

Engine diagram

Handle

Part #610300

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

Mount Pad 145308
#23

Engine diagram

Mount pad

Part #145308

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

Spool Line 153577

#NI02

All parts diagram

Spool line

Part #153577

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

Pwer Shaft 180022
#12

Engine diagram

Pwer shaft

Part #180022

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

Repair Kit 153309

#NI06

All parts diagram

Repair kit

Part #153309

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

Switch Assembly 180035
#32

Engine diagram

Switch assembly

Part #180035

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

Fuel Line 682039
#22

Engine diagram

Fuel line

Part #682039

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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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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How to tune up a grass line trimmer video

How to tune up a grass line trimmer video

Tune of your grass line trimmer, following the steps in this video.…

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