Honda Engines GCV190

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Honda Engines



Honda GCV engines offer a quiet, yet powerful and lightweight combination for a variety of demanding applications. Ideal for residential mowers and pressure washers, these engines pack a punch.

Fuel Efficient, High Output Operation
  • Compact combustion chamber, overhead cam design, and uniblock construction reduce fuel consumption
  • Powerful torque across a wide RPM range helps reduce engine speed drop from sudden load increases.
Compact and Lightweight
  • The lightest engines in their class
  • The world's first general purpose engine internal timing belt
  • Tough resin overhead cam for durability and quietness
  • Uni-block construction
Quiet, Smooth Performance
  • Internal timing belt provides quiet operation
  • Valvetrain and gear noise is minimized
  • Precision engineered and machined components result in lower vibration
Proven Reliability
  • Dua-Lube System provides superior engine lubrication
  • Simple construction reduces many potential maintenance needs
  • High quality materials, fit, and finish
  • Single element air filter
Easy to Use and Maintain
  • Auto Choke System available
  • Auto Throttle available
  • Easy access oil drain and fill
  • Easily accessible spark plug
  • Proven lifetime timing belt design
Easy Starting
  • Horizontal cross-flow intake port to smooth the flow of fuel
  • Automatic mechanical decompression
  • Electronic ignition
Emissions Compliant
  • CARB and EPA certified
  • No catalyst necessary
  • Built in charcoal canister in gas cap
Available Options
  • Honda blade brake clutch assembly available for lawnmower applications
  • Different controls are available for a variety of different applications (pressure washer, lawnmower, log splitter, etc.)
  • Electric start version available
  • Engine Type: Air-cooled 4-stroke OHC
  • Bore x Stroke: 2.7" x 2.0" (69 mm x 50 mm)
  • Displacement: 11.4 cu in (187 cm3)
  • Net Power Output*: 5.1HP (3.8 kW) @ 3600 rpm
  • Net Torque: 8.3 lb-ft (11.3 Nm) @ 2500 rpm
  • PTO Shaft Rotation: Counterclockwise (from PTO shaft side)
  • Compression Ratio: 8.5:1
  • Carburetor: Horizontal type butterfly valve
  • Ignition System: Transistorized magneto
  • Starting System: Recoil/electric
  • Lubrication System: Splash
  • Governor System: Centrifugal Mechanical
  • Air Cleaner: Dry (paper filter)
  • Oil Capacity: 0.58 US qt (0.55l)
  • Fuel Tank Capacity: 0.98 U.S. qts (.93 liter)
  • Fuel: Unleaded 86 octane or higher
  • Dry Weight: 27.6 lbs (12.5 kg)
  • Length (min): 14.4" (367mm)
  • Width (min): 13.0" (331mm)
  • Height (min): 13.8" (349mm)
PTO Shaft Options
  • N1: Straight shaft
  • A2: Straight shaft
  • S3: Straight shaft
  • N5: Straight shaft
  • N7: Straight shaft
Common Applications
  • Pressure washers
  • Lawn mowers
  • Agricultural equipment
  • Forestry equipment
*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 OHC
Bore x Stroke
69 mm x 50 mm
11.4 cu in (187 cm3)
Compression Ratio
5.1 hp (3.8 kW) @ 3,600 rpm
8.3 lb-ft (11.3 Nm) @ 2500 rpm
Fuel Capacity
0.98 qt. (0.93 L)
Starting System


14.4 in. (367 mm)
13 in. (331 mm)
13.8 in. (349 mm)
27.6 lb. (12.5 kg)

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