Ryobi 768r manual Specifications, Engine

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 (Trimmer)		. . . . . 6,600-8,000 rpm
Operating RPM (Flail Head)		. . . . . 8,000-9,500 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
DRIVESHAFT & CUTTING ATTACHMENT
Drive Shaft Housing	. . . . . . . . . .	. . . . . . . . . . . Steel Tube
Throttle Control		. . . . . Finger-Tip Trigger
Unit Weight (No fuel, with cutting attachment, cutting attachment shield and D handle) . . .		. . . . . . . 11 lbs. (4.9 kg.)
Cutting Mechanism	Flail Head, Dual String Cutting Head
Line Spool Diameter		. . . . . . 3 in. (76.2 mm.)
Trimming Line Diameter	. . . . . . . . . .	. . . 0.080 in. (2.03 mm.)
Cutting Path Diameter, Cutting Attachment	. . . . . . . . . .	. . . . . . 16 in. (40.6 cm.)
Cutting Path Diameter, Flail Head	. . . . . . . . . .	. 13 Inches (330.2 mm.)
Shoulder Harness		. . . . Single Quick-Snap

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