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
Model FJ130D
Type 4-stroke, OHV, single cylinder
Displacement 133 cm 3 (8.12 cu-in)
Max. horsepower 3.8 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
Carburetor Float type with fixed main jet
Cooling system Forced-air
Ignition system Flywheel magneto transistor type
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 2.8 L
Fuel consumption 298 g/HPh
PTO shaft rotation Counterclockwise (from PTO shaft side)

Dimensions and Weight

Kawasaki FJ130D
Length 302 mm (11.9 in)
Width 360 mm (14.2 in)
Height 353 mm (13.9 in)
Dry weight 16.5 kg (36.4 lbs)

Tightening torque specs

Tightening torque specs
Connecting rod bolt 9 Nm; 0.9 kg·m; 6.6 ft·lb
Cylinder head bolt 32 Nm; 3.2 kg·m; 23.6 ft·lb
Flywheel nut 25 Nm; 2.5 kg·m; 18.4 ft·lb
Valve clearance lock nut 7 Nm; 0.7 kg·m; 6 ft·lb
Crankcase cover 9 Nm; 0.9 kg·m; 6.6 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

Maximum speed 4,000 ± 100 rpm
Idle speed 1,600 ± 150 rpm
Cylinder compression 2.0 kg/cm2 (29 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 0.5 L
Ignition system
Spark plug NGK: BR6HS
Spark plug gap 0.7-0.8 mm (0.028-0.031 in)
Ignition coil air gap 0.3 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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