The Kohler KT17 is a 691 cc (42.18 cu·in) two-cylinder air-cooled four-stroke internal combustion gasoline engine from the K-series, manufactured by Kohler Co.
The Kohler KT17 engine has an L-head (side valve) design and a horizontal PTO shaft. This engine is equipped with the side-draft carburetor with adjustable jet and an battery ignition system.
The cylinder bore is 79.25 mm (3.12 in) and the piston stroke is 69.85 mm (2.75 in).
This engine produced 17.3 PS (12.7 KW; 17.0 HP) at 3,600 rpm of horsepower.
The breakdown of the engine code is as follows:
- KT – K-series
- 17 – 17.0 HP horsepower
- Suffix (engine is available with the following options):
S – Electric starter;
G – Tapered crankshaft;
P – Threaded crankshaft;
EP – Electric plant;
Q – Quilet model;
General information
| Engine Specifications | |
| Model | KT17 |
| Type | 4-stroke, L-head, two-cylinder |
| Displacement | 691 cm 3 (42.18 cu-in) |
| Max. horsepower | 17.3 PS (12.7 KW; 17.0 HP) at 3,600 rpm |
| Max. torque (crank PTO) | – |
| Fuel system | Side-draft carburetor |
| Cooling system | Forced-air |
| Ignition system | Battery ignition system |
| Lubricating system | KT17 (24299 and lower): Pressurized spray system KT17 Series II (24300 and higher): Full-pressure system |
| Starting system | Electric starter |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Weight | 53.5 kg (118 lbs) |
Cylinder Block and Head
| Cylinder block | ||
| Compression ratio: | – | |
| Bore x Stroke | 79.25 mm X 69.85 mm (3.12 x 2.75 in) | |
| Sleeve internal diameter | 79.375 mm (3.125 in) | |
| Piston skirt outer diameter | 79.159 mm (3.116 in) | |
| Number of piston rings (compression / oil): | 2 / 1 | |
| Ring end gap | Top | 0.253-0.508 mm (0.010-0.020 in) |
| Second | 0.253-0.508 mm (0.010-0.020 in) | |
| Connecting rod small end diametr | 15.891 mm (0.6256 in) | |
| Crankshaft main bearing (new) | 44.226-44.252 mm (1.7412-1.7422 in) | |
| Connecting rod crankpin bore | 34.925-34.943 mm (1.3750-1.3757 in) | |
| Cylinder Head | ||
| Valve Arrangement: | L-head (sidevalve) | |
| Valves: | 2 | |
| Valve minimum lift – Zero lash: | INTAKE | 7.11 mm (0.280 in) |
| EXHAUST | 7.11 mm (0.280 in) | |
| Valve head diameter: | INTAKE | 34.798-35.052 mm (1.370-1.380 in) |
| EXHAUST | 34.798-35.052 mm (1.370-1.380 in) | |
Tightening torque specs
| Tightening torque specs | |
| Cylinder head bolt | 20-27 Nm; 2-2.8 kgf·m; 14.8-19.9 ft·lb |
| Spark plug | 14-20 Nm; 1.4-2 kgf·m; 10.3-14.8 ft·lb |
Service Information
| Engine | |
| Max speed | 3,600 rpm |
| Valve clearance | |
| Intake valve clearance | 0.076-0.152 mm (0.003-0.006 in) |
| Exhaust valve clearance | 0.278-0.354 mm (0.011-0.014 in) |
| Oil system | |
| Oil type | API SF or SG |
| Recommended oil | Summer: SAE 30W Winter: SAE 5W-20, 5W-30 |
| Oil capacity (with filter) | 1.4 L (1.48 US. qt, 1.23 Imp. qt.) |
| Ignition system | |
| Spark plug | Champion: RV15YC |
| Spark plug gap | 0.635 mm (0.025 in) |
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