The Kohler XTX950 is a 200 cc (12.2 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the XTX-series, manufactured by Kohler Co.
The Kohler XTX950 engine has an OHV (overhead valve) design, an aluminum block with cast iron cylinder liners, vertical PTO-shaft, splash type lubrication system. This engine is equipped with a fixed main jet carburetor and dependable electronic magneto ignition system.
A 73.0 mm (2.87 in) cylinder bore and 48.0 mm (1.89 in) piston stroke give the XTX950 engine a total of 200 cc of displacement. The compression ratio rating is 8.9:1.
This engine produces 12.9 Nm (1.3 kg·m; 9.5 lb·ft) at 2,600 rpm of peak torque.
The breakdown of the engine code is as follows:
- XTX – XTX-series
- 950 – 9.5 lb·ft of torque
General information
| Engine Specifications | |
| Model | XTX950 |
| Type | 4-stroke, OHV, single-cylinder |
| Displacement | 200 cm 3 (12.2 cu-in) |
| Max. horsepower | – |
| Max. torque | 12.9 Nm (1.3 kg·m; 9.5 lb·ft) at 2,600 rpm |
| Fuel system | Carburetor with a fixed main jet |
| Cooling system | Forced-air |
| Ignition system | Dependable electronic magneto |
| Lubricating system | Splash type |
| Starting system | Recoil starter |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Fuel tank capacity | 1.4 liters (1.48 US.qts, 1.23 Imp. qts) |
| Dimensions (L x W X H) | 396 x 360 x 281 mm (15.6 x 14.1 x 11.1 in) |
| Dry weight | 15.2 kg (33.5 lbs) |
Cylinder Block and Head
| Cylinder block | ||
| Compression ratio: | 8.9:1 | |
| Bore x Stroke | 73.0 mm X 48.0 mm (2.87 x 1.89 in) | |
| Sleeve internal diameter | 73.020-73.036 mm (2.8748-2.8754 in) | |
| Number of piston rings (compression / oil): | 2 / 1 | |
| Thrust face outer diameter | 72.980-73.000 mm (2.8732-2.8740 in) | |
| Piston pin outer diameter | 17.990-17.996 mm (0.7082-0.7085 in) | |
| Ring-to-groove side clearance: | Top | 0.020-0.060 mm (0.0008-0.0024 in) |
| Second | 0.020-0.060 mm (0.0008-0.0024 in) | |
| Ring end gap: | Top | 0.150-0.300 mm (0.0059-0.0118 in) |
| Second | 0.200-0.350 mm (0.0079-0.0138 in) | |
| Crankshaft main journal diameter: | – | |
| Crankpin journal diameter: | 29.985-29.995 mm (1.1805-1.1809 in) | |
| Cylinder Head | ||
| Valve Arrangement: | OHV, gear drive | |
| Valves: | 4 (2 per cylinder) | |
| Valve head diameter: | INTAKE | 25.875-26.125 mm (1.0187-1.0285 in) |
| EXHAUST | 23.875-24.125 mm (0.9399-0.9498 in) | |
| Stem outer diameter: | INTAKE | 5.465-5.480 mm (0.2152-0.2157 in) |
| EXHAUST | 5.465-5.480 mm (0.2152-0.2157 in) | |
Tightening torque specs
| Tightening torque specs | |
| Cylinder head (torque in 2 increments) |
Step 1: 14.0 Nm (1.4 kgf·m; 10.3 ft·lb) Step 2: 27.8 Nm (2.8 kgf·m; 20.5 ft·lb) |
| Connecting rod | 12.5 Nm (1.3 kgf·m; 9.2 ft·lb) |
| Flywheel | 51.5 Nm (5.3 kgf·m; 38 ft·lb) |
| Spark plug | 27.0 Nm (2.75 kg·m; 20.0 ft·lb) |
Service Information
| Valve clearance | |
| Intake | 0.0762-0.1270 mm (0.0030-0.0050 in) |
| Exhaust | 0.0762-0.1270 mm (0.0030-0.0050 in) |
| Oil system | |
| Oil type | API SJ or higher |
| Recommended oil | SAE 10W-30 |
| Oil capacity | 0.6 liters (0.63 US.qts, 0.53 Imp. qts) |
| Ignition system | |
| Spark plug | Kohler 1413214-S |
| Spark plug gap | 0.76 mm (0.0300 in) |
| Ignition module air gap | 0.254 mm (0.010 in) |
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