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Kawasaki FH601V Engine

General Technical Data

Kawasaki FH601V Engine Specifications

Engine Model .......... Kawasaki FH601V
Engine Type .......... Forced Air-cooled, Vertical Shaft, OHV, 4-Stroke Gasoline Engine
Number of Cylinder .......... 2
Cylinder Layout .......... 90 V-Twin
Piston Displacement, cc (cu.in) .......... 675 (41.2)
Engine Bore, mm (in) .......... 75.2 (2.96)
Engine Stroke, mm (in) .......... 76.0 (2.99)
Engine Power, Hp (kW) .......... 19.0 (14.2)
Maximum Torque, Nm (ft-lb) .......... 52.2 (37)
Fast Idle Speed, rpm .......... 3600
Low Idle Speed, rpm .......... 1550
Compression Release .......... Automatic compression release
Direction of Rotation .......... Counterclockwise facing the PTO Shaft
Choke Control .......... Automatic (with Throttle Control)
Cooling System .......... Forced air cooling by fan
Air Cleaner .......... Dual stage element, dry type

Lubricating System

Lubricating System Type - Pressure feed by positive displacement pump
Oil Filter - Cartridge type full flow filter
Oil Pressuer Switch - ON-OFF switch
Engine oil capacity, L (qts) .......... 1.8 (1.9)

Fuel System

Fuel System Type .......... Carburetor
Carburetor Type .......... Float type, fixed main jet, two barrel
Fuel Pump .......... Diaphragm Type Pulse Pump
Governor .......... Flyweight all speed governor
Fuel Capacity, L (qt) .......... 11.0 (11.2)

Ignition System

Ignition System Type .......... Transistorized Flywheel Magneto
Charging Coil .......... 12V-13 amps with regulator
Spark Plug .......... NGK BPR4ES
Spark Plug Gap, mm (in) .......... 0.75 (0.029)
Spark Plug Torque, Nm .......... 22 (16.2)

Electrical System

Electrical System Rating, Volts .......... 12
Alternator Charging Capacity, Amp .......... 13
Electric Starter .......... 12V-0.6 kW
Recommended Battery .......... 12V-200CCA

Dimensions

Length, mm (in) .......... 458 (18.1)
Width, mm (in) .......... 430 (16.9)
Height, mm (in) .......... 381 (15.0)
Dry weight, kg (lbs) .......... 40.5 (90)

Kawasaki FH601V Maintenance Data

Fuel Type (min. octane) .......... 86 Octane Unleaded
Engine oil type .......... SAE 10W-40, 10W-30, 5W-20
Engine oil capacity, L (qts) .......... 1.8 (1.9)
Oil filter change interval .......... Every 150 hours
Oil change interval .......... Every 100 hours
Fuel filter change interval .......... Every 100 hours

Kawasaki FH601V Service Specifications

Cylinder Head and Valves

Cylinder head warp .......... 0.05 mm (0.002 in.)
Valve clearance (Intake, Exhaust) .......... 0.075-0.125 mm (0.003-0.005 in.)
Valve seating surface angle (Intake, Exhaust) .......... 45 deg
Valve seating surface width (Intake) .......... 0.8-1.4 mm (0.03-0.06 in.)
Valve seating surface width (Exhaust) .......... 1.1-1.6 mm (0.04-0.06 in.)
Valve guide inside diameter (Intake, Exhaust) .......... 6.00-6.012 mm (0.2362-0.2367 in.)
Valve head thickness (Intake, Exhaust) .......... 0.35 mm (0.014 in.)
Valve stem runout (Intake, Exhaust) .......... 0.05 mm (0.002 in.)
Valve stem diameter (Intake) .......... 5.95 mm (0.0234 in.)
Valve stem diameter (Exhaust) .......... 5.93 mm (0.0233 in.)
Valve guide inside diameter (Intake, Exhaust) .......... 6.08 mm (0.239 in.)
Valve spring free length (Intake, Exhaust) .......... 31.0 mm (1.22 in.)
Rocker arm push rod run out (Intake, Exhaust) .......... 0.5 mm (0.02 in.)

Cylinder and Piston

Cylinder compression .......... 390 kPa (57 psi)
Cylinder inside diameter (Standard) .......... 75.28 mm (2.964 in.)
Cylinder inside diameter (0.50 mm Oversize) .......... 75.78 mm (2.983 in.)
Cylinder bore diameter (Standard) .......... 75.18-75.20 mm (2.960-2.961 in.)
Cylinder bore diameter (0.50 mm Oversize) .......... 75.68-75.70 mm (2.979-2.980 in.)
Cylinder bore out round .......... 0.056 mm (0.0022 in.)
Piston diameter .......... 74.99 mm (2.952 in.)
Piston top ring/groove clearance .......... 0.18 mm (0.007 in.)
Piston second ring/groove clearance .......... 0.16 mm (0.006 in.)
Piston ring thickness .......... 1.40 mm (0.055 in.)
Piston top ring end gap .......... 0.65 mm (0.026 in.)
Piston second ring end gap .......... 0.78 mm (0.031 in.)
Piston oil ring end gap .......... 1.05 mm (0.041 in.)
Piston pin outside diameter .......... 15.96 mm (0.628 in.)
Piston pin hole inside diameter .......... 16.08 mm (0.633 in.)
Connecting rod small end inside diameter .......... 16.05 mm (0.632 in.)
Cam lobe height .......... 29.621 mm (1.166 in.)

Crankshaft and Connecting Rod

Connecting rod big end width .......... 19.90 mm (0.783 in.)
Crankpin width .......... 43.1 mm (1.697 in.)
Connecting rod big end inside diameter .......... 38.055 mm (1.498 in.)
Crankpin outside diameter .......... 37.94 mm (1.494 in.)
Crankshaft journal diameter .......... 39.896 mm (1.571 in.)
Crankshaft journal bearing inside diameter .......... 40.15 mm (1.581 in.)

Lubricating System

Oil pressure .......... 241-310 kPa (35-45 psi)
Oil pressure switch .......... 98 kPa (14.2 psi)
Oil filter by-pass valve openning pressure .......... 78.5-117.5 kPa (11.4-17.1 psi)
Oil pump inner and outer rotor clearance .......... 0.2 mm (0.008 in.)
Oil pump outer rotor outside diameter .......... 40.470 mm (1.5933 in.)
Oil pump housing inside diameter .......... 40.801 mm (1.6063 in.)
Oil pump housing depth .......... 10.230 mm (0.4028 in.)
Oil pump shaft outside diameter .......... 10.923 mm (0.4300 in.)
Oil pump shaft bearing inside diameter .......... 11.072 mm (0.4359 in.)
Relief valve spring free length .......... 19.50 mm (0.77 in.)

Tightening Torque Specs

Cylinder Head Bolts .......... 25 Nm (19 ft-lb)
Valve Clearance Lock Screws .......... 6.9 Nm (61 in-lb)
Connecting Rod Big End .......... 5.9 Nm (52 in-lb)
Rocker Arm Bolts .......... 28 Nm (20 ft-lb)
Rocker Cover Mounting Bolts .......... 5.9 Nm (52 in-lb)
Exhaust Pipe Flange Nuts .......... 15 Nm (11 ft-lb)
Spark Plugs .......... 22 Nm (16 ft-lb)
Drain Screw (Carburetor) .......... 1.3 Nm (11 in-lb)
Governor Arm Clamp Nut .......... 7.8 Nm (69 in-lb)
Intake Manifold Mounting Bolts .......... 5.9 Nm (52 in-lb)
Cleaner Body Mounting Screws .......... 3.4 Nm (30 in-lb)
Plug Bolt (Engine-shroud) .......... 5.9 Nm (52 in-lb)
Plug Screw (Engine-shroud) .......... 3.4 Nm (30 in-lb)
Choke Valve Screw .......... 0.7 Nm (6 in-lb)
Throttle Valve Screws .......... 1.0 Nm (9 in-lb)