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Ryobi
Gas Line Trimmer

Model # 765R Official Ryobi line trimmer

Here are the diagrams and repair parts for Official Ryobi 765R line 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 74 parts  |
Knob Asm-bmp 791-153066
#19

Driveshaft/blade/throttle housing 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
Fuel Cap 791-182271
#18

Fuel tank/flywheel/crankcase diagram

Fuel cap

Part #791-182271

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

Lever 791-182061
#5

Fuel tank/flywheel/crankcase diagram

Lever

Part #791-182061

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

Carburetor 753-04320
#8

Fuel tank/flywheel/crankcase diagram

Carburetor

Part #753-04320

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

Muffler 791-182066
#40

Fuel tank/flywheel/crankcase diagram

Muffler

Part #791-182066

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

Crankcase 753-04321
#15

Fuel tank/flywheel/crankcase diagram

Crankcase

Part #753-04321

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

Lever 791-182060
#7

Fuel tank/flywheel/crankcase diagram

Lever

Part #791-182060

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

Bump Head Assembly 791-180897

#NI09

All parts diagram

Bump head assembly

Part #791-180897

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

Cylinder Gasket 753-1197
#45

Fuel tank/flywheel/crankcase diagram

Cylinder gasket

Part #753-1197

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

Reel And Line Assembly 791-153577

#NI07

All parts diagram

Reel and line assembly

Part #791-153577

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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