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

Engine
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)
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.

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