Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Ryobi 780R 2-cycle gas trimmer

Ryobi 780R 2-cycle gas trimmer Parts

Here are the diagrams and repair parts for Ryobi 780R 2-cycle gas trimmer, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 780R Line Trimmers

  • Troybilt Line Trimmer Cutting Blade for Ryobi 780R - Part 791-145873B

    Boom and trimmer parts diagram

    Blade

    Part #791-145873

    Replaced by #791-145873B

    Info Icon
    Manufacturer substitution
    This part replaces 791-145873. Substitute parts can look different from the original.
    In Stock
    $68.20
    8% OFF Phone Price : $74.20Info Icon
    Minus Item
    Qty
    Plus Item
  • Spacer for Ryobi 780R - Part 791-181065

    Engine parts diagram

    Spacer

    Part #791-181065

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

  • Spring for Ryobi 780R - Part 791-613102

    Engine parts diagram

    Spring

    Part #791-613102

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

  • Lawn & Garden Equipment Engine Spark Arrestor for Ryobi 780R - Part 791-182747

    Engine parts diagram

    Lawn & Garden Equipment Engine Spark Arrestor

    Part #791-182747

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

  • Lawn & Garden Equipment Engine Carburetor Mounting Bracket for Ryobi 780R - Part 753-1196

    Engine parts diagram

    Lawn & Garden Equipment Engine Carburetor Mounting Bracket

    Part #753-1196

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

  • Mounting Hardware for Ryobi 780R - Part 791-182195

    Boom and trimmer parts diagram

    Mounting Hardware

    Part #791-182195

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

  • Screw for Ryobi 780R - Part 791-181862

    Engine parts diagram

    Screw

    Part #791-181862

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

  • Knob for Ryobi 780R - Part 791-180814

    Boom and trimmer parts diagram

    Knob

    Part #791-180814

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

  • Driver for Ryobi 780R - Part 791-182196

    Boom and trimmer parts diagram

    Driver

    Part #791-182196

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

  • Bolt for Ryobi 780R - Part 791-147575

    Engine parts diagram

    Bolt

    Part #791-147575

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

Most common symptoms to help you fix your line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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.

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…

Repair time and Difficulty

 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 …

Repair time and Difficulty

 15 minutes or less
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…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Vapor lock can stop your trimmer cold in summer heat. Learn how to prevent it and keep your lawn looking sharp…

Straight shaft vs curved shaft trimmers: What’s the difference?

Straight shaft vs curved shaft trimmers: What’s the difference?

Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…

Can you cut grass with a weed whacker?

Can you cut grass with a weed whacker?

Wondering if your weed whacker can pick up the slack for your broken lawn mower? You're not alone. In this guide, we bre…

Parts & More

Bottom-Mount Refrigerator
Dishwasher
Electric Line Trimmer
Electric Range
Electric Water Heater
Hedge Trimmer
Laundry Center
Parts
Side-By-Side Refrigerator
Top-Mount Refrigerator
Wall Oven/Microwave Combo
Washer