Model # RY30931 Official Ryobi trimmer

Here are the diagrams and repair parts for Official Ryobi RY30931 trimmer, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS

Showing 10 of 116 parts |

Deflector/string head-ry30530 diagram

Line trimmer spool retainer

Part #308042002

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

#12

Deflector/string head-ry30530 diagram

Line trimmer bolt

Part #660650001

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

#15

Guard/spring head-ry30570 diagram

Washer

Part #678018001

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

#26

Short block/rotor/fuel tank diagram

Carburetor bolt

Part #660346002

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

#25

Short block/rotor/fuel tank diagram

Heat dam

Part #518070001

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

#13

Upper boom/front handle diagram

Boom

Part #308470004

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

#14

Short block/rotor/fuel tank diagram

Rotor assembly

Part #308433004

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

#12

Upper boom/front handle diagram

Line trimmer bolt

Part #660697002

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

#39

Short block/rotor/fuel tank diagram

Muffler assembly

Part #309316001

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

Line trimmer spool retainer knob

Part #308042003

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 # RY30931 Official Ryobi 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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