Kawasaki FJ130D

Kawasaki FJ130DThe Kawasaki FJ130D is a 0.13 l (133 cc, 8.12 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 FJ130D engine has an OHV (overhead valve) design; spherical combustion chamber; cast iron cylinder liner; dual ball bearing main journals; 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 filter.

Bore and stroke are 56.0 mm (2.2 in) and 54.0 mm (2.13 in), respectively. The Kawasaki FJ130D motor produced 3.8 PS (2.8 kW; 3.8 HP) at 3,600 rpm of maximum horsepower and 7.9 Nm (0.81 kg·m; 5.83 ft·lb) at 2,800 rpm of torque.

General information

Engine Specifications
Type4-stroke, OHV, single cylinder
Displacement133 cm 3 (8.12 cu-in)
Max. horsepower3.8 PS (2.8 KW; 3.8 HP) at 3,600 rpm
Max. torque (crank PTO)7.9 Nm (0.81 kg·m; 5.83 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 capacity2.8 L
Fuel consumption298 g/HPh
PTO shaft rotationCounterclockwise (from PTO shaft side)

Dimensions and Weight

Kawasaki FJ130D
Length302 mm (11.9 in)
Width360 mm (14.2 in)
Height353 mm (13.9 in)
Dry weight16.5 kg (36.4 lbs)

Tightening torque specs

Tightening torque specs
Connecting rod bolt9 Nm; 0.9 kg·m; 6.6 ft·lb
Cylinder head bolt32 Nm; 3.2 kg·m; 23.6 ft·lb
Flywheel nut25 Nm; 2.5 kg·m; 18.4 ft·lb
Valve clearance lock nut7 Nm; 0.7 kg·m; 6 ft·lb
Crankcase cover9 Nm; 0.9 kg·m; 6.6 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

Maximum speed4,000 ± 100 rpm
Idle speed1,600 ± 150 rpm
Cylinder compression2.0 kg/cm2 (29 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 capacity0.5 L
Ignition system
Spark plugNGK: BR6HS
Spark plug gap0.7-0.8 mm (0.028-0.031 in)
Ignition coil air gap0.3 mm (0.012 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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