Kawasaki FE400

Kawasaki FE400The Kawasaki FE400 is a 0.4 l (401 cc, 24.47 cu-in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine with horizontal shaft manufactured by Kawasaki Heavy Industries LTd., for general-purpose applications.

The FE400 engine has an OHV (overhead valve) design; cast iron cylinder liner; reciprocating balancer; float type carburetor with fixed main jet; flywheel magneto transistor type ignition system; mechanical governor and recoil starter with automatic compression release (electric starter was available as an option). The engine uses full pressure lubrication with spin-on oil filter and low oil shut-off system; dual-element air cleaner or oil bath type air cleaner as an option. The Kawasaki FE400 engine uses hydraulic lash adjuster, so valve adjustment unnecessary.

An 87.0 mm (3.43 in) cylinder bore and 67.5 mm (2.66 in) piston stroke give the motor a total of 401 cc of displacement. Compression ratio rating is 8.3:1. The Kawasaki FE400 motor produced 13.2 PS (9.7 kW; 13.0 HP) at 3,600 rpm of horsepower and 26.5 Nm (2.7 kg·m; 19.56 ft·lb) at 2,800 rpm of torque. The FE400G – 1/2 cam gear reduction.

General information

Engine Specifications
ModelFE400D / FE400G
Type4-stroke, OHV, single cylinder
Displacement401 cm 3 (24.5 cu-in)
Max. horsepower13.2 PS (9.7 KW; 13.0 HP) at 3,600 rpm
Max. torque (crank PTO)26.5 Nm (2.7 kg·m; 19.56 ft·lb) ta 2,800 rpm
CarburetorFloat type with fixed main jet
Cooling systemForced-air
Ignition systemFlywheel magneto transistor type
Lubricating systemPressurized lubrication with oil filter
Starting systemRecoil or electric starter
Stoping systemIgnition primary circuit ground
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel tank capacity6.4 L (6.8 US qt)
Fuel consumption240 g/HPh
PTO shaft rotationCounterclockwise (from PTO shaft side)

Dimensions and Weight

Kawasaki FE400 D/G
Length378 mm (14.9 in)
Width422 mm (16.6 in)
Height459 mm (18.7 in)
Dry weight34.4 kg (76.1 lbs)

Tightening torque specs

Tightening torque specs
Connecting rod bolt23 Nm; 2.3 kg·m; 17 ft·lb
Cylinder head bolt25 Nm; 2.5 kg·m; 17 ft·lb
Flywheel nut137 Nm; 14.0 kg·m; 101 ft·lb
Crankcase cover31 Nm; 3.2 kg·m; 23 ft·lb
Oil drain plug32 Nm; 3.3 kg·m; 24 ft·lb
Spark plug23 Nm; 2.3 kg·m; 17 ft·lb

Service Information

Engine
Maximum speed4,000 ± 100 rpm
Idle speed1,300 ± 150 rpm
Cylinder compression3.0-4.0 kg/cm2 (42-57 psi) at 600 rpm
Oil system
Oil type4-stroke or an equivalent (SF, SG, SH, or SJ)
Recommended oilSAE 10W-30
Oil capacity1.3 L (1.4 US. qt)
Ignition system
Spark plugNGK: BP5ES
Spark plug gap0.7-0.8 mm (0.028-0.031 in)
Ignition coil air gap0.3 mm (0.012 in)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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