Kawasaki FD501V Engine

General Technical Data

Kawasaki FD501V Engine Specifications

Engine Model ............... Kawasaki FD501V
Engine Type ............... 4-Cycle, vertical shaft, liquid cooled gasoline engine
Number of Cylinders ............... 2
Cylinder Layout ............... 90 deg, V-Twin
Displacement, L (cu in) ............... 0.437 (26.7)
Engine Bore, mm (in) ............... 67.0 (2.64)
Engine Stroke, mm (in) ............... 62.0 (2.44)
Maximum Horse Power, hp (kW) ............... 16.0 (11.9)
Rated Engine Speed, rpm ............... 3600
Maximum Torque, Nm (ft-lbs) ............... 32.6 (23.7)
Torque Speed, rpm ............... 2800
Fast Idle Speed, rpm ............... 3500
Slow Idle Speed, rpm ............... 1550
Compression Ratio ............... 9.3:1
Direction of Rotation ............... Counter-clockwise facing the PTO shaft
Lubrication System ............... Full pressure
Cooling System ............... Pressurized forced circulation type
Oil Filter ............... Spin-on type
Muffler ............... Low tone type
Ignition ............... Battery, full transistor, fixed timing type
Spark Plug ............... NGK BPR2ES
Starter ............... Electric, solenoid shift type
Charging Coil ............... 12V-15A with Regulator

Fuel System

Fuel System ............... Carburetor
Fuel Tank Capacity, L (qts) ............... 7.5 (8.0)
Fuel ............... Unleaded gasoline
Carburetor ............... Float type with fixed main jet
Fuel Pump ............... Diaphragm type mechanical pump
Governor ............... Mechanical Type
Air Cleaner ............... Dual element

Kawasaki FD501V Carburetor Specifications

Carburetor Model ............... Mikuni BV24-18
Main Bore Diameter, mm (in) ............... 24.0 (0.95)
Venturi Diameter, mm (in) ............... 18.0 (0.71)
Main Jet ............... #110
Pilot Jet ............... #43.8
Main Air Jet ............... 1.7
Pilot Air Jet ............... 1.0
Pilot Screw Opening ............... 1-3/8 turns out

Dimensions

Length, mm (in) ............... 485 (19.1)
Width, mm (in) ............... 358 (14.1)
Height, mm (in) ............... 520 (20.5)
Net weight, kg (lbs) ............... 35.6 (78.4)

Kawasaki FD501V Maintenance Data

Cylinder Block and Valves

Cylinder Bore (Maximum), mm (in) ............... 67.05 (2.5712)
Cylinder Compression (Minimum), kPa ............... 1171
Intake Valve Clearance (Cold), mm (in) ............... 0.25 (0.0099)
Exhaust Valve Clearance (Cold), mm (in) ............... 0.25 (0.0099)

Engine Oil and Filter

Engine Oil Type ............... SAE 10W-30/10W-40, SAE 5W-20/5W-30
Oil Classification ............... SC, SD, SE, SF, SG or SH
Oil Capacity, L (qts) ............... 1.5 (1.6)
Oil Filter Part Number ............... 49065-2071
Air Filter Part Number ............... 11013-2206

Ignition System

Plug Type ............... NGK BP6ES
Plug Gap, mm (in) ............... 0.6-0.7 (0.0237-0.0277)
Ignition Coil Air Gap, mm (in) ............... 0.3-1.2 (0.0119-0.0474)
Ring End Gap (Maximum), mm (in) ............... 1.0 (0.0395)

Service Intervals

Change Engine Oil ............... Every 100 Hours
Change Oil Filter ............... Every 100 Hours
Replace Fuel Filter ............... Every 200 Hours
Clean and Regap Spark Plug ............... Every 100 Hours
Clean Air Cleaner ............... Every 50 Hours
Check and Adjust Valve Clearance ............... Every 500 Hours

Kawasaki FD501V Tightening Torque Specs

Cylinder Head, Nm (ft-lbs) ............... 21 (15.5)
Connecting Rod, Nm (ft-lbs) ............... 12 (8.9)
Flywheel, Nm (ft-lbs) ............... 88 (65.1)
Crankcase Cover, Nm (ft-lbs) ............... 21 (15.5)
Intake Manifold, Nm (ft-lbs) ............... 8 (6.1)
Oil Drain Plug, Nm (ft-lbs) ............... 25 (18.6)
Valve Clearance Lock Nut, Nm (ft-lbs) ............... 8.8 (6.5)