Owner's manual

TECHNICAL & CONSUMER INFORMATION
39
SPECIFICATIONS
DIMENSIONS and WEIGHT
Length 70.7 in (1796 mm)
Width 13.1 in (334 mm)
Height 10.0 in (255 mm)
Dry weight 16.8 lb. (7.6 kg)
ENGINE
Model GX31
Engine type 4-stroke, overhead-valve, single-cylinder
Displacement 1.9 cu-in (31.1 cc)
Bore & stroke 1.5 x 1.0 in (39 x 26 mm)
Maximum output 1.5 hp (1.1 kW) at 7,000 rpm
Maximum torque 1.21 ft-lbs (1.64 N•m) at 4,500 rpm
Ignition system Transistorized magneto
Spark plugs NGK: CR5HSB or DENSO: U16FSR-UB
Starting system Recoil
Fuel Unleaded gasoline (86 octane or higher)
Fuel tank capacity 0.69 US qt/22.0 fl oz (650 cc)
Fuel consumption 0.14 gal/hr*
Oil capacity 0.11 US qt/3.38 fl oz (100 cc)
Carburetor type Diaphragm type (overflow return) with fuel pump
Air cleaner Single element, semi-dry
Idle speed 3,100 ± 200 rpm
FRAME
Ignition switch Slide type
Throttle control Two motion trigger style
Shaft housing pipe diameter 1.0 in (25.4 mm)
Shaft housing pipe thickness 0.063 in (1.6 mm)
Drive shaft Flex type 0.25 in (6.3 mm)
Shaft support Nylon liner
Gearbox ratio 1.25
Gearbox type Sealed ball bearings, bevel cut gears
Blade diameter 8.0 in (203 mm)
Clutch engagement 4,200 ± 200 rpm
Clutch type 2-1/8 inch centrifugal, square drive
*Fuel consumption is approximate. Actual consumption depends on operating load.