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Ryobi
Gas Line Trimmer

Model # RY30971 Official Ryobi trimmer

Here are the diagrams and repair parts for Official Ryobi RY30971 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  |
Pulley Retainer 638389001
#10

Short block/rotor/fuel tank diagram

Pulley retainer

Part #638389001

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

Screw 660737001
#11

Guard/spring head-ry30570 diagram

Screw

Part #660737001

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

Piston W/r 308023003
#34

Short block/rotor/fuel tank diagram

Piston w/r

Part #308023003

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

Line Trimmer Handle Bolt 660643001
#21

Upper boom/front handle diagram

Line trimmer handle bolt

Part #660643001

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

Crankcase 638031001
#29

Short block/rotor/fuel tank diagram

Crankcase

Part #638031001

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

Switch 760700002
#5

Upper boom/front handle diagram

Switch

Part #760700002

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

Baffle Plate 518854001
#7

Short block/rotor/fuel tank diagram

Baffle plate

Part #518854001

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

Line Trimmer Engine Cylinder Gasket 900953001
#35

Short block/rotor/fuel tank diagram

Line trimmer engine cylinder gasket

Part #900953001

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

Line Trimmer Recoil Starter Spring 638033001
#8

Short block/rotor/fuel tank diagram

Line trimmer recoil starter spring

Part #638033001

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

Clutch Assembly 300960002
#4

Short block/rotor/fuel tank diagram

Clutch assembly

Part #300960002

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 …

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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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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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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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