Kawasaki FJ180D

Kawasaki FJ180DThe 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
ModelFJ180D
Type4-stroke, OHV, single cylinder
Displacement179 cm 3 (10.9 cu-in)
Max. horsepower5.6 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
CarburetorFloat type with fixed main jet
Cooling systemForced-air
Ignition systemCDI
Lubricating systemSplash
Starting systemRecoil starter
Stoping systemIgnition primary circuit ground
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel tank capacity3.2 L
Fuel consumption298 g/HPh
PTO shaft rotationCounterclockwise (from PTO shaft side)

Dimensions and Weight

Kawasaki FJ180D
Length304 mm (12.0 in)
Width366 mm (14.4 in)
Height370 mm (14.6 in)
Dry weight17.5 kg (38.6 lbs)

Tightening torque specs

Tightening torque specs
Connecting rod bolt9 Nm; 0.9 kg·m; 6.6 ft·lb
Cylinder head bolt24 Nm; 2.4 kg·m; 17.7 ft·lb
Flywheel nut42 Nm; 4.2 kg·m; 31 ft·lb
Valve clearance lock nut11 Nm; 1.1 kg·m; 8.1 ft·lb
Crankcase cover22 Nm; 2.2 kg·m; 16.2 ft·lb
Oil drain plug32 Nm; 3.3 kg·m; 24 ft·lb
Spark plug23 Nm; 2.3 kg·m; 17 ft·lb

Service Information

Engine
Maximum speed4,000 ± 100 rpm
Idle speed1,600 ± 150 rpm
Cylinder compression3.0 kg/cm2 (42 psi) at 600 rpm
Valve clearance
Intake valve clearance0.12 mm (0.0047 in)
Exhaust valve clearance0.12 mm (0.0047 in)
Oil system
Oil type4-stroke or an equivalent (SF, SG, SH, or SJ)
Recommended oilSAE 10W-30
Oil capacity0.55 L
Ignition system
Spark plugNGK: BPR5ES
Spark plug gap0.7-0.8 mm (0.028-0.031 in)
Ignition coil air gap0.3 mm (0.012 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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