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Ryobi
Gas Line Trimmer

Model # 700R Official Ryobi trimmer

Here are the diagrams and repair parts for Official Ryobi 700R 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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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 158 parts  |
Knob Asm-bmp 791-153066
#19

Boom and trimmer diagram

Knob asm-bmp

Part #791-153066

Replaced by #791-153066B

?
Manufacturer substitution
This part replaces 791-153066. Substitute parts can look different from the original.
$17.91 | 
10% OFF Phone Price : $19.91
In Stock
Piston 753-1209

#NI09

All parts diagram

Piston

Part #753-1209

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

Gasket 610675
#8

Engine diagram

Gasket

Part #610675

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

Head Assembly 147823

#NI

All parts diagram

Head assembly

Part #147823

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

Housing 791-181927
#34

Engine parts diagram

Housing

Part #791-181927

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

Cap 181562

#NI

All parts diagram

Cap

Part #181562

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

Throttle Cable 610315
#5

Boom and trimmer diagram

Throttle cable

Part #610315

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

Blade Guard 791-683274
#13

Boom and trimmer diagram

Blade guard

Part #791-683274

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

2-cycle Oil 147541

#NI

All parts diagram

2-cycle oil

Part #147541

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

Fuel Tank 181152
#16

Engine diagram

Fuel tank

Part #181152

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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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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