The Kohler CV16/CV16S is a 426 cc (26.0 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the Command PRO series, manufactured by Kohler Co.
The Kohler CV16 engine has an OHV (overhead valve) design, an aluminum block with cast iron cylinder liners, vertical PTO-shaft, full-pressurized lubrication system. This engine is equipped with a carburetor (Nikki or Keihin) with a fixed main jet and dependable electronic magneto ignition system.
A 90.0 mm (3.60 in) cylinder bore and 67.0 mm (2.64 in) piston stroke give the CV16 engine a total of 426 cc of displacement. The compression ratio rating is 8.5:1.
This engine produced 15.2 PS (11.2 KW; 15.0 HP) at 3,600 rpm of horsepower and 33.2 Nm (3.4 kg·m; 24.5 ft·lb) at 2,400 rpm of torque.
The breakdown of the engine code is as follows:
- C – Command series
- V – Vertical PTO shaft
- 16 – Numerical designation
- Version code
- S – Electric Start
- T – Retractable Start
- ST – Electric/Retractable Start
General information
| Engine Specifications | |
| Model | Command PRO CV16 / CV16S |
| Type | 4-stroke, OHV, single-cylinder |
| Displacement | 426 cm 3 (26.0 cu-in) |
| Max. horsepower | 15.2 PS (11.2 KW; 15.0 HP) at 3,600 rpm |
| Max. torque | 33.2 Nm (3.4 kg·m; 24.5 ft·lb) at 2,400 rpm |
| Fuel system | Carburetor with a fixed main jet (Nikki or Keihin) |
| Cooling system | Forced-air |
| Ignition system | Dependable electronic magneto |
| Lubricating system | Pressurized lubrication |
| Starting system | Electric starter |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Dimensions (L x W X H) | 450 x 365 x 321 mm (17.7 x 14.4 x 12.6 in) |
| Dry weight | 39.5 kg (87.1 lbs) |
Cylinder Block and Head
| Cylinder block | ||
| Compression ratio: | 8.5:1 | |
| Bore x Stroke | 90.0 mm X 67.0 mm (3.60 x 2.64 in) | |
| Sleeve internal diameter | 90.000-90.025 mm (3.5433-3.5443 in) | |
| Number of piston rings (compression / oil): | 2 / 1 | |
| Thrust face outer diameter | 89.951-89.969 mm (3.5413-3.5420 in) | |
| Piston pin outer diameter | 18.995-19.000 mm (0.7478-0.748 in) | |
| Ring-to-groove side clearance: | Top | 0.060-0.105 mm (0.0023-0.0041 in) |
| Second | 0.040-0.085 mm (0.0015-0.0033 in) | |
| Oil | 0.036-0.186 mm (0.0014-0.0073 in) | |
| Ring end gap: | Top | 0.280-0.510 mm (0.0110-0.0200 in) |
| Second | 0.220-0.480 mm (0.0080-0.0180 in) | |
| Oil | 0.250-0.760 mm (0.0098-0.0299 in) | |
| Crankshaft main journal diameter: |
Flywheel end: 44.913-44.935 mm (1.7682-1.7691 in) Oil pan end: 41.915-41.935 mm (1.6502-1.6510 in) |
|
| Crankpin journal diameter: | 38.958-30.970 mm (1.5338-1.2193 in) | |
| Cylinder Head | ||
| Valve Arrangement: | OHV, gear drive | |
| Valves: | 2 | |
| Valve head diameter: | INTAKE | 35.370-35.630 mm (1.3925-1.4028 in) |
| EXHAUST | 31.370-31.630 mm (1.235-1.2453 in) | |
| Stem outer diameter: | INTAKE | 6.982-7.000 mm (0.2749-0.2756 in) |
| EXHAUST | 6.970-6.988 mm (0.2744-0.2751 in) | |
Tightening torque specs
| Tightening torque specs | |
| Cylinder head (torque in 2 increments) |
Step 1: 20.0 Nm (2.0 kg·m; 15.0 ft·lb) Step 2: 40.0 Nm (4.0 kg·m; 30.0 ft·lb) |
| Flywheel | 66.4 Nm (6.77 kg·m; 49 ft·lb) |
| Spark plug | 27 Nm (2.75 kg·m; 20.0 ft·lb) |
Service Information
| Oil system | |
| Oil type | API SG, SH, SJ, or higher |
| Recommended oil | SAE 10W-30 |
| Oil capacity |
W/o oil filter: 1.7 L (1.8 US. qt, 1.5 Imp. qt.) With oil filter: 1.9 L (2.0 US.qts, 1.7 Imp. qts) |
| Ignition system | |
| Spark plug | Champion RC12YC |
| Spark plug gap | 1.00 mm (0.0394 in) |
| Ignition module air gap | 0.200-0.300 mm (0.0079-0.0118 in) |
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