The Kawasaki FD661D is a 0.62 l (617 cc, 37.65 cu-in) V-twin 90° liquid-cooled 4-stroke internal combustion small gasoline motor with horisontal shaft, manufactured by Kawasaki Heavy Industries LTd., for general-purpose applications.
The FD661D has OHV (overhead valve design); cast-iron cylinder liners; float type carburetor with fixed main jet; transistorized fuel pump; full transistor ignition system with fixed timing; mechanical governor and low tone muffler. The Kawasaki FD661D uses a full pressure lubrication system with spin-on oil filter and dual element air cleaner.
The engine was equipped with solenoid shift-type electric starter and 12V-20A charging coil with a regulator.
The Kawasaki FD661D develops 22.3 PS (16.4 kW; 22.0 HP) at 3,600 rpm and 45.7 Nm (4.66 kg·m; 33.73 ft·lb) at 2,400 rpm of torque. It has a 76.0 mm (2.99 in) cylinder bore and 68.0 mm (2.68 in) piston stroke. Compression ratio rating is 10.3:1.
General information
Engine Specifications | |
Model | FD661D |
Type | 4-stroke, OHV, V-twin 90° |
Displacement | 617 cm 3 (37.65 cu-in) |
Max. horsepower | 22.3 PS (16.4 KW; 22.0 HP) at 3,600 rpm |
Max. torque (crank PTO) | 45.7 Nm (4.66 kg·m; 33.73 ft·lb) at 2,800 rpm |
Carburetor | Float type |
Cooling system | Liquid-cooling |
Ignition system | Transistorized ignition |
Lubricating system | Pressure feed lubrication system |
Starting system | Electric starter |
Charging system | 12 Volt – 20A with regulator |
Fuel used | Unleaded gasoline (octane number 86 or higher) |
Fuel consumption | 230 g/HPh |
Cooling system | Pressurized forced circulation type |
Dimensions and Weight
Kawasaki FD661D | |
Length, mm (in) | 556 (21.9) |
Width, mm (in) | 437 (17.2) |
Height, mm (in) | 586 (23.0) |
Dry weight, kg (lb) | 47.2 (104.1) |
Tightening torque specs
Tightening torque specs | Cylinder head | 21 Nm; 2.1 kg·m; 15.5 ft·lb |
Connecting rod | 21 Nm; 2.1 kg·m; 15.5 ft·lb |
Flywheel | 110 Nm; 11.2 kg·m; 81 ft·lb |
Crankcase cover | 25 Nm; 2.5 kg·m; 18.4 ft·lb |
Intake manifold | 8 Nm; 8.0 kg·m; 6 ft·lb |
Oil drain plug | 23 Nm; 2.3 kg·m; 17 ft·lb |
Valve clearance lock nut | 8.8 Nm; 0.9 kg·m; 6.5 ft·lb |
Maintenance data
Engine | |
Maximum speed | 3500 ± 100 rpm |
Idle speed | 1500 ± 100 rpm |
Cylinder compression | 12.0 kg/cm2 (170 psi) at 500 rpm |
Valve clearance | |
Intake valve | 0.25 mm (0.010 in) |
Exhaust valve | 0.25 mm (0.010 in) |
Oil system | |
Oil type | 4-stroke or an equivalent (SC, SD, SE, SF, SG, or SH) |
Recommended oil | SAE 10W-40, 10W-30, 5W-20 |
Oil capacity (with filter changed) | 1.5 L (1.6 US qt) |
Ignition system | |
Spark plug | NGK: BPR5ES |
Spark plug gap | 0.6-0.7 mm (0.024-0.028 in) |
Spark plug tightening torque | 15 Nm; 1.5 kg·m; 11 ft·lb |
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what is length and diameter of out put shaft ? tou gave all info. but