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Ryobi
Gas Line Trimmer

Model # RY30021A Official Ryobi trimmer

Here are the diagrams and repair parts for Official Ryobi RY30021A trimmer, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 131 parts  |
Heat Shield (cat) (p.h. 985111002) 984743001
#39

Ignition/carburetor/muffler diagram

Heat shield (cat) (p.h. 985111002)

Part #984743001

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

Fuel Tank PA00116
#21

Ignition/carburetor/muffler diagram

Fuel tank

Part #PA00116

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

Spacer 985625001
Spacer

Part #985625001

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

Sheet 983000462

#NI02

All parts diagram

Sheet

Part #983000462

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

Boom Assembly 985383001
#2

Boom and handle assembly diagram

Boom assembly

Part #985383001

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

Repair Sheet (rev:02) 983000401R

#NI03

All parts diagram

Repair sheet (rev:02)

Part #983000401R

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

Lawn Mower Spacer 5945603
#13

Ignition/carburetor/muffler diagram

Lawn mower spacer

Part #5945603

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

Deflector 984443004
Deflector

Part #984443004

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

Retainer A98866A
#6

Curved shaft assembly diagram

Retainer

Part #A98866A

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

Handle PS01124
#17

Boom and handle assembly diagram

Handle

Part #PS01124

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 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 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 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 …

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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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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…

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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.…

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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…

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