Honda Engines GXV340

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Honda Engines



Professionals rely on the GXV340 to deliver reliable, easy starting, fuel efficent performance, day in and day out.

Common Applications
  • Commercial lawn and garden equipment
  • Tractors
  • Agricultural equipment
  • Construction / industrial equipment
  • Small vehicles
Fuel Efficient, High Output Operation
  • Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficency
  • OHV design for increased efficiency and optimal power transfer
  • High compression ratio for better fuel efficiency
Smooth Performance
  • Ball bearing supported crankshaft for greater stability
  • Precision engineered components result in lower vibration
  • Dual balancer shafts
Exceptionally Quiet
  • Large capacity, multi-chamber exhaust system
  • Reduced mechanical noise due to light weight, noise-reducing materials
  • Helical cut gears
  • Forged steel crankshaft and rigid crankcase
  • 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
  • No catalyst necessary
  • CARB and EPA certified
Available Options
  • Electic start
  • Gear reduction options
  • Spark arrester available
  • Charge and lamp coils with multiple output options available
  • Engine Type: Air-cooled 4-stroke OHV
  • Bore x Stroke: 82 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
  • 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: 1.2 US qt (1.1l)
  • Fuel Tank Capacity: 2.2 US qts (2.1 liters)
  • Fuel: Unleaded 86 octane or higher
  • Dry Weight: 71.2 lb (32.3 kg)
  • Length (min): 17.0" (433mm)
  • Width (min): 15.0" (382mm)
  • Height (min): 15.9" (406mm)
PTO Shaft Options
  • D type: Straight shaft
*The SAE J1349 standard measures net horsepower with the manufacturer's production muffler and air cleaner in place. Net horsepower more closely correlates with the power the operator will experience when using a Honda engine powered product. The power rating of the engines indicated in this document measures the net power output at 3600 rpm (7000 rpm for model GXH50, GXV50, GX25 and GX35) and net torque at 2500 rpm, as tested on a production engine. Mass production engines may vary from this value. Actual power output for the engine installed in the final machine will vary depending on numerous factors, including the operation speed of the engine in application, environmental conditions, maintenance and other variables.



Engine Type
Air-cooled 4-stroke OHV
Bore x Stroke
82 x 64 mm
337 cm3
Compression Ratio
8.9 hp (6.6 kW) @ 3,600 rpm
15.9 lb.-ft (21.6 Nm) @ 2,500 rpm
Fuel Capacity
2.2 US qt. (2.1 L)
Starting System


17.0 in. (433mm)
15.0 in. (382mm)
15.9 in. (406mm)
71.2 lb. (32.3 kg)

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