GX 340 (Vertical Crankshaft) Honda Engine

General Info

Quality and performance come standard.
Professionals rely on the GXV390 to deliver reliable and easy-starting, along with fuel-efficient performance, day in and day out

Features

Fuel Efficient, High-Output Operation

Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficiency
OHV design for increased efficiency and optimal power transfer
High compression ratio for better fuel efficiency

Smooth Performance

Precision-engineered components result in lower vibration
Ball bearing supported crankshaft for greater stability
Dual balancer shafts

Exceptionally Quiet

Large capacity, multi-chamber exhaust system
Reduced mechanical noise due to light weight, noise-reducing materials
Forged steel crankshaft and rigid crankcase
Helical cut gears
Sophisticated air intake system

Proven reliability

Oil Alert
Cast iron cylinder sleeve
High-quality materials, fit, and finish
Dual element air cleaner
Fuel Valve
3-Year Limited Warranty

Easy to use and maintain

Large fuel tanks
Large automotive-type fuel cap
Easy, convenient, heavy duty control box
Easily accessible spark plug

Easy starting

Heavy-duty recoil starter
Automatic mechanical de-compression system

Emissions compliant

CARB and EPA certified
No catalyst necessary

Available options

Gear reduction options
Electric start
Spark arrester available
Charge and lamp coils with multiple output options available

Specifications

Engine Type	Air-cooled 4-stroke OHV
Bore x Stroke	82 mm x 64 mm
Displacement	337 cm³
Net Power Output*	8.9 HP (6.6 kW) @ 3,600 rpm
Net Torque	15.9 lb-ft (21.6 Nm) @ 2,500 rpm
PTO Shaft Rotation	Counterclockwise (from PTO shaft side)
Compression Ratio	7.7:1
Fuel Tank Capacity	2.1 litres (2.2 U.S. qts)
Lamp/Charge Coil Options	1A, 3A, 10A
Carburetor	Float type
Ignition System	Transistorized magneto
Starting System	Recoil/electric
Lubrication System	Pressure and splash
Governor System	Centrifugal mechanical
Air Cleaner	Dual element
Oil Capacity	1.1 litres (1.2 U.S. qts)
Fuel	Unleaded 86 octane or higher
Dry Weight	32.3 kg (71.2 lbs)

Dimensions

Length (min): 433 mm (17.0″)

Width (min): 382 mm (15.0″)

Height (min): 406 mm (15.9″)

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