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Ryobi
Gas Line Trimmer

Model # 770REB Official Ryobi trimmer

Here are the diagrams and repair parts for Official Ryobi 770REB 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 132 parts  |
Knob Retaining Nut 181886
#20

Handle assembly diagram

Knob retaining nut

Part #181886

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

Spacer 181065
#27

Carburetor diagram

Spacer

Part #181065

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

Mount Pad 145308
#22

Carburetor 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

Mount Carburetor 182063
#12

Carburetor diagram

Mount carburetor

Part #182063

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

Carburetor Assembly 182062
#8

Carburetor diagram

Carburetor assembly

Part #182062

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

Short Block 181623

#NI14

All parts diagram

Short block

Part #181623

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

Lock Nut 147491
#10

Edger blade diagram

Lock nut

Part #147491

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

Retainer Kit 180014

#NI07

All parts diagram

Retainer kit

Part #180014

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

Nut 181815
#14

Handle assembly diagram

Nut

Part #181815

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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