Ryobi 725r, 705r manual Specifications, Engine, Drive Shaft & String Head

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SPECIFICATIONS

ENGINE

Engine Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air-Cooled, 2-Cycle Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.25 in. (31.75 mm.) Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.9 cu in. (31 cc.) Clutch Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Centrifugal Operating RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7,000-8,300 rpm Idle Speed RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,800-3,300 rpm Ignition Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electronic Ignition Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Toggle Switch Spark Plug Gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.020 in. (0.5 mm.) Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel/Oil Mixture Fuel/Oil Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32:1 Carburetor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diaphragm, All-Position Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Auto Rewind Muffler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Baffled with Guard Throttle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Manual Spring Return Fuel Tank Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 oz. (530 ml.) Fuel Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HD Polyethylene

DRIVE SHAFT & STRING HEAD

Drive Shaft Housing

. . . . . . . Steel Tube

Throttle Control

. . Finger-Tip Trigger

Unit Weight (No fuel, with string cutting head, string guard and loop handle)

. 12.25 lbs. (5.6 kg.)

Cutting Mechanism

. . . . . .Bump Head

Shoulder Strap

. . . . . . . . . Optional

Line Spool Diameter

. . . 76.2 mm (3 in)

Trimming Line Diameter

0.080 in (2.03 mm.)

Cutting Path Diameter

. . . 15 in. (38.1 cm)

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Contents OPERATOR’S Manual Table of Contents IntroductionCalifornia Emission Regulations Spark ArrestorSafety Warnings for GAS Trimmers Symbol MeaningRules for Safe Operation Before OperatingWhile Operating Other Safety Warnings Safety and International SymbolsSymbol Meaning Safety Alert Symbol For Service INFORMATION, CallHOT Surface Warning Sharp Blade Do not USE Blades Indicates OILChoke Control Full Choke position Partial Choke positionHandle 705r Harware Shaft Housing Know Your UnitApplication Cutting AttachmentAssembly Instructions Installing and Adjusting the D-HANDLE Model 705rInstalling and Adjusting the J-HANDLE Model 725r Installing the Cutting Attachment Shield DecalModel 725r Screw Cutting Attachment ShieldUsing Blended Fuels Using Fuel AdditivesOIL and Fuel Information OIL and Fuel Mixing InstructionsSTARTING/STOPPING Instructions Starting InstructionsStopping Instructions Operating Instructions Operating the CLICK-LINKHolding the Trimmer Adjusting Trimming Line Length Model 705r Model 725rMaintenance and Repair Instructions Maintenance ScheduleFrequency Maintenance Required Refer to Tips for Best Trimming ResultsLine Installation for the Speedspool Winding the Inner Reel With New LineInstalling a Prewound Inner reel Cleaning the SpeedSpoolReleasing the Inner Reel Bump Knob Foam Seal Spring Inner ReelAIR FILTER/MUFFLER Cover Removal and Installation Reinstalling the Airfilter/Muffler CoverRemoving the Air Filter/Muffler Cover Shaft PlungerAIR Filter Maintenance Air FilterCarburetor Adjustment Clean Air FilterAdjust Idle Speed Screw Check Fuel MixtureACCESSORIES/REPLACEMENT Parts Replacing the Spark Plug020 Cleaning and Storage CleaningStorage Long Term StorageTroubleshooting Problem Cause ActionSpecifications EngineDrive Shaft & String Head Owners Warranty Responsibilities Limited TWO-YEAR Warranty Ryobi Outdoor ProductsRyobi Canada INC Save These Instructions for Future Reference