The Kawasaki FC400V is a 404 cc (24.65 cu-in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine with vertical shaft manufactured by Kawasaki Heavy Industries LTd., for general-purpose applications.
The FC400V 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; low tone muffler; recoil starter with an automatic compression release. The engine could be equipped with an electric starter and 12V-3A charging coil with rectifier or 12V-13A charging coil with a regulator. The engine uses a semi cyclone-type air cleaner with a dual element and pressurized lubrication system.
Bore and stroke are 87.0 mm (3.43 in) and 68.0 mm (2.68 in), respectively. Compression ratio rating is 8.4:1. The Kawasaki FC400V motor produced 13.2 PS (9.7 kW; 13.0 HP) at 3,600 rpm of horsepower.
General information
Engine Specifications
Model
FC400V
Type
4-stroke, OHV, single cylinder
Displacement
404 cm 3 (24.65 cu-in)
Max. horsepower
13.2 PS (9.7 KW; 13.0 HP) at 3,600 rpm
Max. torque
–
Carburetor
Float type with fixed main jet
Cooling system
Forced-air
Ignition system
Flywheel magneto transistor type
Lubricating system
Pressurized
Starting system
Recoil or electric starter
Fuel used
Unleaded gasoline (octane number 86 or higher)
Fuel tank capacity
–
Fuel consumption
–
PTO shaft rotation
Counterclockwise (from PTO shaft side)
Dimensions and Weight
Kawasaki FC400V
Length
448 mm (17.6 in)
Width
453 mm (17.8 in)
Height
358 mm (14.0 in)
Dry weight
35.2 kg (77.5 lbs)
Service Information
Engine
Maximum speed
3,300 ± 100 rpm
Idle speed
1,500 ± 150 rpm
Cylinder compression
5.0 kg/cm2 (70 psi)
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 (SF, SE, SD)
Recommended oil
SAE 10W-30, 10W-40
Oil capacity
1.3 L (1.4 US. qt)
Ignition system
Spark plug
NGK: BPR5ES; CHAMPION: RN11YC;
Spark plug gap
0.7-0.8 mm (0.028-0.031 in)
Ignition coil air gap
0.3 mm (0.012 in)
Tightening torque specs
Tightening torque specs
Cylinder head
52 Nm; 5.2 kg·m; 38.3 ft·lb
Connecting rod
20 Nm; 2.0 kg·m; 14.7 ft·lb
Flywheel
137 Nm; 14 kg·m; 101 ft·lb
Crankcase cover
26 Nm; 2.6 kg·m; 19.2 ft·lb
Oil drain plug
23 Nm; 2.3 kg·m; 16.7 ft·lb
Valve clearance lock nut
20 Nm; 2.0 kg·m; 14.7 ft·lb
Author:Sergei WersAbout: 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.
The Kawasaki FC400V is a 404 cc (24.65 cu-in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine with vertical shaft manufactured by Kawasaki Heavy Industries LTd., for general-purpose applications. 
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