Ryobi 767r, 775r 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6,600-8,000 rpm Idle Speed RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,800-3,900 rpm Ignition Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electronic Ignition Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Slide 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

. . . . . . . . . . . SpeedSpool

Shoulder Strap

. . . . . . . . . . . . . . Optional

Line Spool Diameter

. . . . . . . . . 3 in (76.2 mm)

Trimming Line Diameter

. . . . . 0.080 in (2.03 mm.)

Cutting Path Diameter

. . . . . . . 16 in. (40.64 cm)

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Contents OPERATOR’S Manual Introduction Table of ContentsSpark Arrestor California Emission RegulationsRules for Safe Operation Symbol MeaningWhile Operating Symbol Meaning Safety Alert Symbol Safety and International SymbolsFor Service INFORMATION, Call Keep Bystanders Away Primer BulbSharp Blade Do not USE Blades Indicates OIL HOT Surface WarningChoke Control Full Choke position Partial Choke positionKnow Your Unit Application Shaft Housing Throttle Control Handle HardwareInstalling and Adjusting the D-HANDLE Model 767r Assembly InstructionsWing Nut Bolt Washer Model 767rHandle Screws Top Clamp Middle Clamp Bottom Clamp Installing and Adjusting the J-HANDLE Model 775rModel 775r DecalShaft Housing Cutting Installing the Cutting Attachment ShieldShield Mount Cutting Attachment Shield Recessed HolesUsing Fuel Additives Using Blended FuelsOIL and Fuel Information OIL and Fuel Mixing InstructionsPartial Choke Position B Full Choke Run Position a STARTING/STOPPING InstructionsChoke Lever Primer Bulb Starter Rope Throttle ControlOperating Instructions Installing the Cutting Attachment or Add-OnsOperating the CLICK-LINK System Model 775rModel 767r Model 775r Holding the Trimmer Adjusting Trimming Line LengthMaintenance and Repair Instructions Winding the Inner Reel With New Line Line Installation for the SpeedspoolCleaning the SpeedSpool Installing a Prewound Inner reelReleasing the Inner Reel Bump Knob Foam Seal Spring Inner ReelRemoving the Air Filter/Muffler Cover AIR Filter MaintenanceShaft Plunger Choke Lever Partial Choke Position B ScrewsReinstalling the Air filter/Muffler Cover Cleaning the Air FilterAir Filter Clean Air Filter Carburetor AdjustmentAdjust Idle Speed Screw Check Fuel MixtureReplacing the Spark Plug ACCESSORIES/REPLACEMENT Parts110-120 in.lb .3-13.5 Nm 020Cleaning Cleaning and StorageStorage Long Term StorageProblem Cause Action TroubleshootingEngine SpecificationsDrive Shaft & String Head Page Owners Warranty Responsibilities Ryobi Canada INC Ryobi Outdoor Products