Kawasaki FG150

Kawasaki FG150The Kawasaki FG150 is a 151 cc (9.21 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 FG150 engine has a cast-iron cylinder liner; two main ball bearings; float type carburetor with fixed main jet; flywheel magneto transistor type ignition system; mechanical governor and recoil starter with an automatic compression release. The engine uses a dual-element air cleaner and splashes lubrication system.

Bore and stroke are 64.0 mm (2.52 in) and 47.0 mm (1.85 in), respectively. Compression ratio rating is 6.4:1. The Kawasaki FG150 motor produced 3.7 PS (2.7 kW; 3.6 HP) at 4,000 rpm of horsepower and 7.0 Nm (0.71 kg·m; 5.17 ft·lb) at 2,800 rpm of torque. The FG150G – 1/2 cam gear reduction.

General information

Engine Specifications
Model FG150D / FG150G
Type 4-stroke, single cylinder
Displacement 151 cm 3 (9.21 cu-in)
Max. horsepower 3.7 PS (2.7 KW; 3.6 HP) at 4,000 rpm
Max. torque (crank PTO) 7.0 Nm (0.71 kg·m; 5.17 ft·lb) ta 2,800 rpm
Carburetor Float type with fixed main jet
Cooling system Forced-air
Ignition system Flywheel magneto transistor type
Lubricating system Splash
Starting system Recoil starter
Stoping system Ignition primary circuit ground
Fuel used Unleaded gasoline (octane number 86 or higher)
Fuel tank capacity 3.0 L (3.2 US qt)
Fuel consumption 315 g/HPh
PTO shaft rotation Counterclockwise (from PTO shaft side)

Dimensions and Weight

Kawasaki FG150 D/G
Length 312 mm (12.3 in)
Width 319 mm (12.6 in)
Height 370 mm (14.6 in)
Dry weight 14.3 kg (31.5 lbs)

Service Information

Maximum speed 4,000 ± 100 rpm
Idle speed 1,600 ± 150 rpm
Oil system
Oil type 4-stroke or an equivalent (SF, SG, SH, or SJ)
Recommended oil SAE 10W-30
Oil capacity 0.5 L (0.5 US. qt)
Ignition system
Spark plug NGK: BP4HS
Spark plug gap 0.7-0.8 mm (0.028-0.031 in)
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