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
ModelFG150D / FG150G
Type4-stroke, single cylinder
Displacement151 cm 3 (9.21 cu-in)
Max. horsepower3.7 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
CarburetorFloat type with fixed main jet
Cooling systemForced-air
Ignition systemFlywheel magneto transistor type
Lubricating systemSplash
Starting systemRecoil starter
Stoping systemIgnition primary circuit ground
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel tank capacity3.0 L (3.2 US qt)
Fuel consumption315 g/HPh
PTO shaft rotationCounterclockwise (from PTO shaft side)

Dimensions and Weight

Kawasaki FG150 D/G
Length312 mm (12.3 in)
Width319 mm (12.6 in)
Height370 mm (14.6 in)
Dry weight14.3 kg (31.5 lbs)

Service Information

Maximum speed4,000 ± 100 rpm
Idle speed1,600 ± 150 rpm
Oil system
Oil type4-stroke or an equivalent (SF, SG, SH, or SJ)
Recommended oilSAE 10W-30
Oil capacity0.5 L (0.5 US. qt)
Ignition system
Spark plugNGK: BP4HS
Spark plug gap0.7-0.8 mm (0.028-0.031 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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