Ryobi 825r User Manual (English)

Other manuals for Ryobi 825r

Questions and Answers:

T
Tracie NicholsonJul 26, 2025
Why won't my Ryobi Brush Cutter engine start?
- K
  Kyle BrewerJul 26, 2025
  If your Ryobi Brush Cutter engine won't start, there are several possible causes: * The On/Off control may be in the STOP position. If so, turn the On/Off control to ON. * The fuel tank may be empty. If so, fill the fuel tank with new fuel. * The primer bulb may not have been pressed enough. If so, press the primer bulb fully and slowly 10 times. * The fuel may be old. If so, drain the gas tank and add fresh fuel. * The spark plug may be fouled. If so, replace or clean the spark plug. * The spark arrestor may be plugged. If so, clean or replace the spark arrestor.
D
Dana ColeJul 30, 2025
How to fix Ryobi Brush Cutter when engine will not idle?
- K
  kentdonaldJul 30, 2025
  If your Ryobi Brush Cutter engine will not idle, check the following: * Air filter: If the air filter is plugged, replace or clean it. * Old fuel: If the fuel is old, drain the gas tank and add fresh fuel. * Carburetor: If the carburetor adjustment is improper, adjust the carburetor.
J
Joshua DavisAug 4, 2025
What to do if my Ryobi Brush Cutter engine will not accelerate?
- C
  carrnicoleAug 4, 2025
  If your Ryobi Brush Cutter engine will not accelerate, consider these potential causes: * Old fuel: Drain the gas tank and add fresh fuel. * Improper carburetor adjustment: Take it to an authorized service dealer for adjustment. * Cutting attachment bound with grass: Stop the engine and clean the cutting attachment. * Dirty air filter: Clean or replace the air filter. * Plugged spark arrestor: Clean or replace spark arrestor.
C
Cory GrantAug 9, 2025
Why does my Ryobi Brush Cutter engine lack power or stall when cutting?
- A
  Ana WoodAug 9, 2025
  If your Ryobi Brush Cutter engine lacks power or stalls when cutting, here are a few things to check: * Old fuel: Drain the gas tank and add fresh fuel. * Improper carburetor adjustment: Take the brush cutter to an authorized service dealer for adjustment. * Fouled spark plug: Replace or clean the spark plug. * Plugged spark arrestor: Clean or replace the spark arrestor.
B
Beth HoodAug 15, 2025
What to do if the cutting attachment will not advance on my Ryobi Brush Cutter?
- M
  michellenelsonAug 15, 2025
  If the cutting attachment on your Ryobi Brush Cutter will not advance, consider the following: * Cutting attachment bound with grass: Stop the engine and clean cutting attachment. * Cutting attachment out of line: Refill with new line. * Inner reel bound up: Replace the inner reel. * Cutting head dirty: Clean inner reel and outer spool. * Line welded: Disassemble, remove the welded section and rewind. * Line twisted when refilled: Disassemble and rewind the line. * Not enough line is exposed: Push the bump knob and pull out line until 4 inches (102 mm) of line is outside of the cutting attachment.
S
Scott RiceAug 19, 2025
Why is the cutting line advancing uncontrolled on my Ryobi Brush Cutter?
- L
  Latoya ReedAug 20, 2025
  If the cutting line advances uncontrolled on your Ryobi Brush Cutter, it might be due to oil, cleaner, or lubricant in the cutting head. Clean and thoroughly dry the cutting head to resolve this issue.

Ryobi 825r Specifications

General

Brand	Ryobi
Model	825r
Category	Trimmer
Language	English

Summary

Introduction and Carton Contents

Thank You

Expresses gratitude for purchasing the product and highlights its usefulness.

Product References and Specifications

States that manual information is based on latest product data, reserving the right to make changes.

Service Information

Details how and where to get service and warranty information for the unit.

Included Carton Items

Lists the model, operator's manual, registration card, parts manual, and oil.

California Emission Regulations

California Proposition 65 Warning

Warns that engine exhaust contains chemicals known to cause cancer or reproductive harm.

Spark Arrestor Requirements

Spark Arrestor Maintenance

Explains the requirement for spark arrestors on forest land and provides information on accessory parts.

Rules for Safe Operation

Safety Symbols Explained

Explains the meaning of various safety symbols used in the manual.

Important Safety Information

Provides crucial safety guidelines and precautions to follow before operating the unit.

Safety Warnings for Gas Trimmers

Details specific safety precautions related to gasoline and fueling procedures.

Rules for Safe Operation (Continued)

Safe Operation While Operating

Outlines essential safety practices and precautions to observe during trimmer operation.

Other Safety Warnings

Provides additional safety advice for storage, transportation, and general handling of the unit.

Rules for Safe Operation (Symbols)

Safety and International Symbols

Explains various safety symbols and pictographs found on the product and in the manual.

Rules for Safe Operation (More Symbols)

Safety and International Symbols

Explains symbols related to thrown objects, controls, hot surfaces, and protective gear.

Know Your Unit

Applications of the Trimmer

Lists the intended uses and applications of the trimmer.

Assembly Instructions

Adjusting the J-Handle

Provides step-by-step instructions for adjusting the J-handle for optimal user grip.

Oil and Fuel Information

Recommended Oil Type

Specifies the correct type and weight of oil for the crankcase and its importance.

Adding Oil to Crankcase - Initial Use

Details the procedure for adding oil to the crankcase before the first start.

Oil and Fuel Information (Fuel)

Recommended Fuel Type

Advises on using fresh, clean, unleaded gasoline and explains blended fuels.

Fueling Unit

Provides critical safety warnings and instructions for fueling the trimmer.

Starting/Stopping Instructions

Starting Instructions

Guides the user through the cold start and warm engine restart procedures.

Stopping Instructions

Explains how to properly stop the engine of the trimmer.

Operating Instructions

Operating the Click-Link System

Describes the function and use of the Click-Link system for attaching accessories.

Installing Cutting Attachments or Add-Ons

Provides instructions for attaching and detaching cutting attachments and accessories.

Operating Instructions (Trimming Techniques)

Holding the Trimmer Correctly

Instructs on the correct posture and grip for operating the trimmer safely and effectively.

Adjusting Trimming Line Length

Explains how to extend the trimming line using the bump head mechanism.

Tips for Best Trimming Results

Offers advice for achieving optimal cutting performance and line longevity.

Operating Instructions (Trimming Styles)

Decorative Trimming

Guides on performing decorative trimming around various obstacles.

Maintenance and Repair Instructions

Maintenance Schedule

Outlines the required maintenance procedures and their recommended frequencies.

Maintenance and Repair Instructions (Line)

Line Installation for the SpeedSpool

Details how to wind new line onto the inner reel of the SpeedSpool.

Maintenance and Repair Instructions (Reels)

Installing a Prewound Reel

Explains how to install a prewound reel into the SpeedSpool assembly.

Maintenance and Repair Instructions (SpeedSpool)

Cleaning the SpeedSpool

Provides instructions for cleaning the SpeedSpool assembly for proper operation.

SpeedSpool Replacement Parts

Lists part numbers for various SpeedSpool replacement components.

Maintenance and Repair Instructions (Oil)

Checking the Oil Level

Details the procedure for checking the engine oil level to prevent damage.

Changing the Oil

Guides the user through the process of changing the engine oil, including capacity and type.

Maintenance and Repair Instructions (Air Filter)

Air Filter Maintenance

Explains how to clean and re-oil the air filter, emphasizing its importance for warranty.

Maintenance and Repair Instructions (Carburetor)

Carburetor Adjustment

Provides instructions for adjusting the idle speed screw for proper engine operation.

Maintenance and Repair Instructions (Rocker Arm)

Rocker Arm Clearance

Details the process for checking and adjusting engine valve clearance.

Maintenance and Repair Instructions (Valve Adjustment)

Rocker Arm Clearance Adjustment

Provides specifications and steps for adjusting valve clearances using a feeler gauge.

Maintenance and Repair Instructions (Spark Plug)

Replacing the Spark Plug

Guides on how to replace the spark plug and set the correct air gap.

Spark Arrestor Maintenance

Explains how to clean or replace the spark arrestor screen.

Accessories and Replacement Parts

Lists available accessories and replacement parts with their corresponding part numbers.

Cleaning and Storage

Cleaning and General Storage

Provides instructions for cleaning the unit and general storage guidelines.

Long Term Storage and Transport

Outlines procedures for storing the unit for extended periods and safe transportation.

Troubleshooting

Engine Starting and Running Issues

Addresses common problems like engine not starting, idling, accelerating, or stalling.

Cutting Head and Line Issues

Covers problems with the cutting head, line advancement, and line control.

Specifications

Engine Specifications

Details technical specifications for the engine, including displacement, RPM, and lubrication.

Drive Shaft and Cutting Attachment Specifications

Lists specifications for the drive shaft, housing, and cutting attachment components.

California Emission Control Warranty Statement

Owner's Warranty Rights and Obligations

Explains the owner's responsibilities regarding maintenance and warranty claims.

Manufacturer's Warranty Coverage

Details the terms, conditions, and duration of the manufacturer's warranty.

Limited Two-Year Warranty

Related product manuals

Ryobi 825r User Manual

Table of Contents

Other manuals for Ryobi 825r

Questions and Answers:

Ryobi 825r Specifications

Summary

Introduction and Carton Contents

Thank You

Product References and Specifications

Service Information

Included Carton Items

California Emission Regulations

California Proposition 65 Warning

Spark Arrestor Requirements

Spark Arrestor Maintenance

Rules for Safe Operation

Safety Symbols Explained

Important Safety Information

Safety Warnings for Gas Trimmers

Rules for Safe Operation (Continued)

Safe Operation While Operating

Other Safety Warnings

Rules for Safe Operation (Symbols)

Safety and International Symbols

Rules for Safe Operation (More Symbols)

Safety and International Symbols

Know Your Unit

Applications of the Trimmer

Assembly Instructions

Adjusting the J-Handle

Oil and Fuel Information

Recommended Oil Type

Adding Oil to Crankcase - Initial Use

Oil and Fuel Information (Fuel)

Recommended Fuel Type

Fueling Unit

Starting/Stopping Instructions

Starting Instructions

Stopping Instructions

Operating Instructions

Operating the Click-Link System

Installing Cutting Attachments or Add-Ons

Operating Instructions (Trimming Techniques)

Holding the Trimmer Correctly

Adjusting Trimming Line Length

Tips for Best Trimming Results

Operating Instructions (Trimming Styles)

Decorative Trimming

Maintenance and Repair Instructions

Maintenance Schedule

Maintenance and Repair Instructions (Line)

Line Installation for the SpeedSpool

Maintenance and Repair Instructions (Reels)

Installing a Prewound Reel

Maintenance and Repair Instructions (SpeedSpool)

Cleaning the SpeedSpool

SpeedSpool Replacement Parts

Maintenance and Repair Instructions (Oil)

Checking the Oil Level

Changing the Oil

Maintenance and Repair Instructions (Air Filter)

Air Filter Maintenance

Maintenance and Repair Instructions (Carburetor)

Carburetor Adjustment

Maintenance and Repair Instructions (Rocker Arm)

Rocker Arm Clearance

Maintenance and Repair Instructions (Valve Adjustment)

Rocker Arm Clearance Adjustment

Maintenance and Repair Instructions (Spark Plug)

Replacing the Spark Plug

Spark Arrestor Maintenance

Accessories and Replacement Parts

Cleaning and Storage

Cleaning and General Storage

Long Term Storage and Transport

Troubleshooting

Engine Starting and Running Issues

Cutting Head and Line Issues

Specifications

Engine Specifications