Kawasaki FJ180D

The Kawasaki FJ180D is a 0.18 l (179 cc, 10.9 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 FJ180D engine has an OHV (overhead valve) design; spherical combustion chamber; cast iron cylinder liner; dual ball bearing main journals; K-Twin balancer; float type carburetor with fixed main jet; CDI ignition system; mechanical governor and recoil starter with an automatic compression release. The engine uses a dual-element air filter.

A 65.0 mm (2.56 in) cylinder bore and 54.0 mm (2.13 in) piston stroke give the motor a total of 179 cc of displacement. Compression ratio rating is 8.4:1. The Kawasaki FJ180D motor produced 5.6 PS (4.1 kW; 5.5 HP) at 3,600 rpm of maximum horsepower and 11.0 Nm (1.12 kg·m; 8.12 ft·lb) at 3,200 rpm of torque.

General information

Engine Specifications
Model	FJ180D
Type	4-stroke, OHV, single cylinder
Displacement	179 cm 3 (10.9 cu-in)
Max. horsepower	5.6 PS (4.1 KW; 5.5 HP) at 3,600 rpm
Max. torque (crank PTO)	11.0 Nm (1.12 kg·m; 8.12 ft·lb) at 3,200 rpm
Carburetor	Float type with fixed main jet
Cooling system	Forced-air
Ignition system	CDI
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	3.2 L
Fuel consumption	298 g/HPh
PTO shaft rotation	Counterclockwise (from PTO shaft side)

Dimensions and Weight

	Kawasaki FJ180D
Length	304 mm (12.0 in)
Width	366 mm (14.4 in)
Height	370 mm (14.6 in)
Dry weight	17.5 kg (38.6 lbs)

Tightening torque specs

Tightening torque specs
Connecting rod bolt	9 Nm; 0.9 kg·m; 6.6 ft·lb
Cylinder head bolt	24 Nm; 2.4 kg·m; 17.7 ft·lb
Flywheel nut	42 Nm; 4.2 kg·m; 31 ft·lb
Valve clearance lock nut	11 Nm; 1.1 kg·m; 8.1 ft·lb
Crankcase cover	22 Nm; 2.2 kg·m; 16.2 ft·lb
Oil drain plug	32 Nm; 3.3 kg·m; 24 ft·lb
Spark plug	23 Nm; 2.3 kg·m; 17 ft·lb

Service Information

Engine
Maximum speed	4,000 ± 100 rpm
Idle speed	1,600 ± 150 rpm
Cylinder compression	3.0 kg/cm2 (42 psi) at 600 rpm
Valve clearance
Intake valve clearance	0.12 mm (0.0047 in)
Exhaust valve clearance	0.12 mm (0.0047 in)
Oil system
Oil type	4-stroke or an equivalent (SF, SG, SH, or SJ)
Recommended oil	SAE 10W-30
Oil capacity	0.55 L
Ignition system
Spark plug	NGK: BPR5ES
Spark plug gap	0.7-0.8 mm (0.028-0.031 in)
Ignition coil air gap	0.3 mm (0.012 in)