The Kohler SV710 is a 725 cc (44.24 cu·in) natural aspirated V-twin four-stroke air-cooled internal combustion gasoline engine with a vertical shaft, from the Courage series, manufactured by Kohler Co for general-purpose applications.
The cylinder bore is 83.0 mm (3.27 in) and the piston stroke is 67.0 mm (2.64 in). The compression ratio rating is 9.0:1.
The Kohler SV710 engine produced 20.3 PS (14.9 kW; 20.0 HP) at 3,600 rpm of maximum output power and 52.0 Nm (5.3 kg·m; 38.4 ft·lb) at 2,200 rpm of peak torque.
The Kohler SV710 features:
- OHV design
- Aluminum head and crankcase with cast-iron cylinder liner
- Fixed Ignition System, Digital Spark Advance Ignition (DSAI), Digital Spark Advance Module (DSAM) ignition system
- Carburetor with fixed main jet (Keihin, Nikki or Walbro)
- Full-pressure lubrication lubrication system with oil filter and bypass valve
- Forced air cooling system
- Electric starter
General information
Engine Specifications | |
Engine model | Courage SV710 |
Engine type | 4-stroke, OHV, V-twin |
Displacement | 725 cm3, (44.24 cu·in) |
Max. horsepower | 20.3 PS (14.9 kW; 20.0 HP) at 3,600 rpm |
Max. torque | 52.0 Nm (5.3 kg·m; 38.4 ft·lb) at 2,200 rpm |
Cooling system | Forced air |
Air cleaner | Replaceable, paper element |
Lubricating system | Pressurized lubrication |
Ignition system |
Fixed Ignition System, Digital Spark Advance Ignition (DSAI), Digital Spark Advance Module (DSAM) |
Fuel system | Carburetor with fixed main jet (Keihin, Nikki or Walbro) |
Fuel consumption | – |
Fuel tank capacity | – |
Fuel used | Unleaded gasoline (octane number 86 or higher) |
Starting system | Electric starter |
Dimensions (L x W X H) | 470 x 452 x 340 mm (18.5 x 17.8 x 13.4 in) |
Dry weight | 41.3 kg (91.1 lbs) |
Cylinder Block and Head
Cylinder block | |
Compression ratio: | 9.0:1 |
Cylinder bore: | 83.0 mm (3.27 in) |
Piston stroke: | 67.0 mm (2.64 in) |
Cylinder internal diameter (standard): | 83.006-83.031 mm (3.2679-3.2689 in) |
Number of piston rings (compression / oil): | 2/1 |
Connecting rod small end diameter (standard): | 17.015-17.023 mm (0.6699-0.6702 in) |
Piston pin diameter: | 16.995-17.000 mm (0.6691-0.6693 in) |
Crankshaft main journal diameter: | 40.913-40.935 mm (1.6107-1.6116 in) |
Crankpin journal diameter: | 35.955-35.973 mm (1.4155-1.4163 in) |
Crankshaft center distance: | 33.5 mm (1.32 in) |
Cylinder head | |
Valve arrangement: | OHV |
Valves: | 2 (4 valves in total) |
Valve head diameter (INTAKE): | 33.370-33.630 mm (1.3138-1.324 in) |
Valve head diameter (EXHAUST): | 29.370-29.630 mm (1.1563-1.1665 in) |
Valve steam diameter (INTAKE): | 6.982-7.000 mm (0.2749-0.2756 in) |
Valve steam diameter (EXHAUST): | 6.970-6.988 mm (0.2744-0.2751 in) |
Service Data
Valve clearance | |
Intake valve clearance: | 0.101-0.152 mm (0.004-0.006 in) |
Exhaust valve clearance: | 0.101-0.152 mm (0.004-0.006 in) |
Oil system | |
Lubrication system: | Pressurized lubrication |
Oil type: | SJ or higher |
Recommended oil: | SAE 10W-30 |
Oil capacity: | 1.6 L (1.69 US. qt, 1.41 Imp. qt.) |
Ignition system | |
Type: |
Fixed Ignition System, Digital Spark Advance Ignition (DSAI), Digital Spark Advance Module (DSAM) |
Spark plug: | Champion RC12YC |
Spark plug gap: | 0.76 mm (0.0299 in) |
Spark plug torque: | 27 N·m (2.8 kg·m, 19.9 ft·lb) |
Tightening Torque Specs
Valve clearance | |
Cylinder Head Flange Nut | 16.9-33.9 Nm (12.5-25 ft-lbs) |
Cylinder Head Bolt | 22.6-41.8 Nm (16.7-30.8 ft-lbs) |
Rocker Arm Screw | 11.3 Nm (8.3 ft-lbs) |
Connecting Rod Cap | 22.7 Nm (16.7 ft-lbs.) |
Flywheel Retaining Screw | 66.4 Nm (49 ft-lbs) |
Intake Manifold Mounting | 7.4 Nm (5.5 ft-lbs) |
Carburetor Mounting Nut | 6.2-7.3 Nm (4.6-5.4 ft-lbs.) |
Oil Drain Plug | 13.6 Nm (10 ft-lbs.) |
Oil Pan | 24.4 Nm (18 ft-lbs.) |
Governor Lever Nut | 6.8 Nm (5 ft-lbs.) |
Ignition Module | 4.0-6.2 Nm (2.9-4.6 ft-lbs.) |
Oil Filter | 10.4-12.7 Nm (7.5-9.2 ft-lbs.) |
Applications
Manufacturer or Brand | Models |
Lawn tractors | |
Cub Cadet | i1046, i1050 |
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