Weed Eater ONE Owner's Manual download pdf (Page 61)

TECHNICAL & CONSUMER INFORMATION

Tuneup

ENGINE

HHT25S HHT31S

Model GX25 GX31

Engine type 4-stroke, overhead-cam, single-cylinder 4-stroke, overhead-valve, single-cylinder

Displacement 1.5 cu in (25 cc) 1.9 cu in (31 cc)

Bore & stroke 1.4 x 1.0 in (35 x 26 mm) 1.5 x 1.0 in (39 x 26 mm)

Maximum output 1.1 hp (0.82 kW) at 7,000 rpm 1.5 hp (1.1 kW) at 7,000 rpm

Maximum torque

0.8 ft-lbs (1.09 N

•m) at 5,000 rpm 1.23 ft-lbs (1.64 N•m) at 4,500 rpm

Ignition system Transistorized magneto

Spark plugs NGK: CMR5H NGK: CR5HSB or DENSO: U16FSR-UB

Starting system Recoil

Fuel Unleaded gasoline (86 octane or higher)

Fuel tank capacity 0.53 qt/16.9 fl.oz (0.50 ) 0.69 qt/22.0 fl oz (0.65 )

Fuel consumption 0.61 lb/hph (370 g/kWh, 276 g/psh) 0.55 lb/hph (340 g/kWh, 250 g/psh)

Oil capacity 2.7 fl oz (80 cc) 3.4 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

HHT25S HHT31S

Ignition switch Slide type

Throttle control Two-motion trigger style

Frame pipe

OD 1.0 in (25.4 mm)

Thickness 0.059 in (1.5 mm)

Drive

Type

Material Flexible steel cable

OD 0.25 in (6.3 mm)

Engagement 0.20 in (5 mm) square drive both ends

Bushing

Material Nylon

Length 57-1/2 inch (1460 mm)

Gear case

Ratio 1.24 (input shaft) : 1 (output shaft)

Type Ball bearings, helical cut gears, no shims required

Clutch

Size 2-1/8 inch 3-1/16 inch

Engagement 4,200 ± 200 rpm

Drive Square female

Type Centrifugal

ITEM SPECIFICATION MAINTENANCE

Spark plug gap

0.024 - 0.028 in

(0.60 - 0.70 mm)

Refer to page 37

Valve clearance

(cold)

HHT25S

Intake: 0.08 ± 0.02 mm

Exhaust: 0.11 ± 0.02 mm

See your authorized

servicing Honda dealer

HHT31S

Intake: 0.12 ± 0.02 mm

Exhaust: 0.15 ± 0.02 mm

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Weed Eater ONE Owner's Manual Page 61

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