Kawasaki FD750D

Kawasaki FD750DThe Kawasaki FD750D is a 0.75 l (745 cc, 45.46 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 FD750D has OHV (overhead valve design); cast-iron cylinder liners; float type carburetor with fixed main jet; transistorized fuel pump; flywheel magneto transistor ignition system; mechanical governor and low tone muffler. The Kawasaki FD750D 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 or 30A charging coil with a regulator.

The Kawasaki FD750D producted 27.3 PS (20.1 KW; 27.0 HP) at 3,600 rpm or 25.4 PS (18.7 KW; 25.0 HP) at 3,600 rpm of maximum horsepower and 58.3 Nm (5.9 kg·m; 43.0 ft·lb) at 2,400 rpm or 55.6 Nm (5.67 kg·m; 41.03 ft·lb) at 2,600 rpm of torque. Cylinder bore and piston stroke are 78.0 mm (3.07 in) and 78.0 mm (3.07 in), respectively. Compression ratio rating is 8.5:1 or 8.6:1.

General information

Engine Specifications
Model FD750D
Type 4-stroke, OHV, V-twin 90°
Displacement 745 cm 3 (45.46 cu-in)
Max. horsepower 27.3 PS (20.1 KW; 27.0 HP) at 3,600 rpm
25.4 PS (18.7 KW; 25.0 HP) at 3,600 rpm
Max. torque (crank PTO) 58.3 Nm (5.9 kg·m; 43.0 ft·lb) at 2,400 rpm
55.6 Nm (5.7 kg·m; 41.0 ft·lb) at 2,600 rpm
Carburetor Float type carburetor with fixed main jet
Cooling system Liquid-cooling
Ignition system Transistorized ignition
Lubricating system Pressurized lubrication system
Starting system Electric starter
Charging system 12 Volt – 20A or 30A 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 FD750D
Length, mm (in) 520 (20.5)
Width, mm (in) 458 (18.0)
Height, mm (in) 580 (22.8)
Dry weight, kg (lb) 57.0 (125.7)

Tightening torque specs

Tightening torque specs
Cylinder head 27 Nm; 2.7 kg·m; 20 ft·lb
Connecting rod 21 Nm; 2.1 kg·m; 15.5 ft·lb
Flywheel 56 Nm; 5.5 kg·m; 41 ft·lb
Crankcase cover 22 Nm; 2.2 kg·m; 16.2 ft·lb
Intake manifold 12 Nm; 1.2 kg·m; 9 ft·lb
Oil drain plug 25 Nm; 2.5 kg·m; 18.5 ft·lb
Valve clearance lock nut 11 Nm; 1.1 kg·m; 8 ft·lb

Maintenance data

Engine
Maximum speed 3500 ± 100 rpm
Idle speed 1500 ± 100 rpm
Cylinder compression 7.5 kg/cm2 (107 psi) at 500 rpm
Valve clearance
Intake valve 0.15 mm (0.006 in)
Exhaust valve 0.15 mm (0.006 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) 1.8-2.0 L (1.9-2.1 US qt)
Ignition system
Spark plug NGK: BPR2ES
Spark plug gap 0.75 mm (0.03 in)
Spark plug tightening torque 25 Nm; 2.5 kg·m; 18.5 ft·lb
Ignition coil air gap 0.25-0.40 mm (0.009-0.015 in)
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