Kawasaki FD620D DFI

Kawasaki FD620D DFIThe Kawasaki FD620D DFI is a 0.6 l (617 cc, 37.7 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 FD620D DFI has an OHV (overhead valve design); cast-iron cylinder liners; multi-port digital fuel injection; high-pressure transistorized fuel pump; flywheel magneto transistor ignition system; mechanical governor; low tone muffler and compact electronic control unit. The Kawasaki FD620D DFI uses a full pressure lubrication system with spin-on oil filter and dual element air cleaner.

The Kawasaki FD620D DFI develops 19.0 PS (14 kW; 18.7 HP) at 3,600 rpm and 44.6 Nm (4.5 kg·m; 32.9 ft·lb) at 2,200 rpm of torque. Bore and stroke are 76.0 mm (2.99 in) and 68.0 mm (2.68 in), respectively.

General information

Engine Specifications
ModelFD620D DFI
Type4-stroke, OHV, V-twin 90°
Displacement617 cm 3 (37.7 cu-in)
Max. horsepower19.0 PS (14 KW; 18.7 HP) at 3,600 rpm
Max. torque (crank PTO)44.6 Nm (4.5 kg·m; 32.9 ft·lb) at 2,200 rpm
Fuel systemMulti port digital fuel injection
Cooling systemLiquid-cooling
Ignition systemTransistorized ignition
Lubricating systemPressure feed lubrication system
Starting systemElectric starter
Charging system12 Volt – 20 or 30 amps with regulator
Fuel usedUnleaded gasoline (octane number 86 or higher)
Cooling systemPressurized forced circulation type

Dimensions and Weight

Length, mm (in)556 (21.9)
Width, mm (in)448 (17.6)
Height, mm (in)624 (24.6)
Dry weight, kg (lb)41.5 (91.5)

Maintenance data

Idle speed1500 ± 100 rpm
Cylinder compression12.0 kg/cm2 (170 psi) at 500 rpm
Valve clearance
Intake valve0.25 mm (0.010 in)
Exhaust valve0.25 mm (0.010 in)
Oil system
Oil type4-stroke or an equivalent (SC, SD, SE, SF, SG, or SH)
Recommended oilSAE 10W-40, 10W-30, 5W-20
Oil capacity (without filter changed)1.5 L (3.17 US pt)
Oil capacity (with filter changed)1.8 L (3.80 US pt)
Oil pressure (min)2.8 kg/cm2 (40 psi)
Cooling system
Coolant capacity2.7 L (0.7 US gallon)
Valve opening temperature63-66° C (145-150° F)
Valve full openning lift7 mm (0.28 in) at 80° C (176° F)
Detect temperature110° ± 2° C (226° ± 36° C)
Ignition system
Spark plugNGK: BPR2ES
Spark plug gap0.6-0.7 mm (0.024-0.028 in)
Starter motor
Brush length10 mm (0.40 in), limit: 6.0 mm (0.24 in)
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