Kawasaki FD501V

Kawasaki FD501VThe Kawasaki FD501V is a 0.44 l (437 cc, 26.67 cu-in) V-twin 90° liquid-cooled 4-stroke internal combustion small gasoline motor with vertical shaft, manufactured by Kawasaki Heavy Industries LTd., for general-purpose applications.

The FD501V has OHV (overhead valve design); cast-iron cylinder liners; horizontal draft type carburetor with fixed main jet; mechanical diaphragm type fuel pump; full transistor ignition system with fixed timing; mechanical governor and low tone muffler. The Kawasaki FD501V uses a full pressure lubrication system with spin-on oil filter and dual element air cleaner.

The engine was equipped with solenoid shift-type electric starter and 12V-15A charging coil with a regulator.

The Kawasaki FD501V develops 16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm and 32.6 Nm (3.33 kg·m; 24.06 ft·lb) at 2,800 rpm of torque. A 67.0 mm (2.64 in) cylinder bore and 62.0 mm (2.44 in) piston stroke give the motor a total of 437 cc of displacement. Compression ratio rating is 9.3:1.

General information

Engine Specifications
ModelFD501V
Type4-stroke, OHV, V-twin 90°
Displacement437 cm 3 (26.67 cu-in)
Max. horsepower16.2 PS (11.9 KW; 16.0 HP) at 3,600 rpm
Max. torque (crank PTO)32.6 Nm (3.33 kg·m; 24.06 ft·lb) at 2,800 rpm
CarburetorHorizontal draft type
Cooling systemLiquid-cooling
Ignition systemTransistorized ignition
Lubricating systemPressure feed lubrication system
Starting systemSolenoid shift type electric starter
Charging system12 Volt – 15A with regulator
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel consumption245 g/HPh
Cooling systemPressurized forced circulation type

Dimensions and Weight

Kawasaki FD501V
Length, mm (in)485 (19.1)
Width, mm (in)358 (14.1)
Height, mm (in)440 (17.3)
Dry weight, kg (lb)35.2 (77.6)

Tightening torque specs

Tightening torque specs
Cylinder head21 Nm; 2.1 kg·m; 15.5 ft·lb
Connecting rod12 Nm; 1.2 kg·m; 9 ft·lb
Flywheel88 Nm; 9.0 kg·m; 65 ft·lb
Crankcase cover21 Nm; 2.1 kg·m; 15.5 ft·lb
Intake manifold8 Nm; 8.0 kg·m; 6 ft·lb
Oil drain plug25 Nm; 2.5 kg·m; 18.5 ft·lb
Valve clearance lock nut8.8 Nm; 0.9 kg·m; 6.5 ft·lb

Maintenance data

Engine
Maximum speed3500 ± 100 rpm
Idle speed1500 ± 100 rpm
Cylinder compression12.0 kg/cm2 (170 psi) at 500 rpm
Valve clearance
Intake valve0.25 mm (0.010 in)
Exhaust valve0.25 mm (0.010 in)
Oil system
Oil type4-stroke or an equivalent (SC, SD, SE, SF, SG, or SH)
Recommended oilSAE 10W-40, 10W-30, 5W-20
Oil capacity (with filter changed)1.3 L (1.4 US qt)
Ignition system
Spark plugNGK: BMR6A
Spark plug gap0.6-0.7 mm (0.024-0.028 in)
Spark plug tightening torque17 Nm; 1.7 kg·m; 12.5 ft·lb
Fuel system
CarburetorMikuni BV24-18
Main bore diameter24.0 mm (0.94 in)
Venturi diameter18.0 mm (0.70 in)
Main jet#110
Pilot jet#43.8
Main air jet1.7
Pilot air jet1.0
Pilot screw opening1-3/8 turns out
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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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.

2 Comments

  1. Looking to replace my John Deere LX188 which came with this motor motor run great but broke the power clutch bolt in the drive shaft and was looking to see was this would cost plus shipping.
    I live in Colchester Vermont 05446.

  2. Replacing fr730vas05r on a cub cadet zero turn with a fd501vas04 from
    a jd. Wiring hooks up different. Which wires on the 501 can be eliminated or jumpered?

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