Honda Engines GSV190

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Honda Engines



The GSV190 offers the best of two worlds. Higher durability, with features like a cast iron cylinder liner and three-piece oil control. And the benefits of a lightweight, compact, quiet OHC design. It's an excellent choice for demanding homeowner applications and commercial equipment alike.

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
  • Overhead cam, overhead valve design
  • 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
  • Cast iron cylinder liner
  • Dual element air cleaner for increased life
  • Ball bearing suported crankshaft
  • Dua-Lube System provides superior engine lubrication
  • 3 piece oil control ring for long life
  • Proven lifetime timing belt design
Easy to Use and Maintain
  • Auto Choke System 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
  • Engine Type: Air-cooled 4-stroke OHC
  • Bore x Stroke: 2.7 x 2.0 in (69 x 50 mm)
  • Displacement: 11.4 cu in (187 cm3)
  • Net Power Output*: 5.1 HP (3.8 kW) @ 3,600 rpm
  • Net Torque: 8.3 lb-ft (11.3 Nm) @ 2,500 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
  • Lubrication System: Splash
  • Governor System: Centrifugal Mechanical
  • Air Cleaner: Dual element
  • Oil Capacity: 0.58 US qt (0.55l)
  • Fuel Tank Capacity: 0.98 U.S. qts (0.93 liter)
  • Fuel: Unleaded 86 octane or higher
  • Dry Weight: 28.7 lb (13.0 kg)
  • Length (min): 14.6" (371mm)
  • Width (min): 13.5" (343mm)
  • 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
  • Commercial lawn and garden
  • Forestry equipment
  • Agricultural 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 x 50 mm
187 cm3
Compression Ratio
5.1 hp (3.8 kW) @ 3,600 rpm
8.3 lb-ft (11.3 Nm) @ 2,500 rpm
Fuel Capacity
0.98 qt. (0.93 L)
Starting System


14.6 in. (371 mm)
13.5 in. (343 mm)
13.8 in. (349 mm)
28.7 lb. (13 kg)

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