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Kawasaki FH541V Engine

General Technical Data

Kawasaki FH541V Engine Specifications

Engine Model ..................... Kawasaki FH541V
Engine Type ..................... Vertical, 4-stroke, air cooled, V-twin gasoline engine
Number of Cylinder ..................... 2
Cylinder Layout ..................... 90 deg V-Twin
Piston Displacement, cc (cu.in) ..................... 585 (35.7)
Engine Bore, mm (in) ..................... 74.0 (2.92)
Engine Stroke, mm (in) ..................... 68.0 (2.69)
Engine Power, Hp (kW) ..................... 17.0 (12.7)
Rated Engine Speed, rpm ..................... 3600
Maximum Torque, Nm (ft-lb) ..................... 49 (36.3)
Torque Speed, rpm ..................... 2000
Compression Ratio ..................... 8.5:1
Direction of Rotation ..................... Counterclockwise facing the PTO Shaft
Lubricating System Type ..................... Pressurized
Oil Filter ..................... Dual element
Ignition System Type ..................... Transistorized-fly wheel magneto
Spark Plug ..................... Champion RCJ8Y
Electrical System Rating, Volts ..................... 12
Charging Coil ..................... 12V-13 amps with regulator
Starting System ..................... Electric starter

Fuel System

Fuel System Type ..................... Carburetor
Carburetor Type ..................... Float type with fixed main jet
Fuel Pump ..................... Pulse Pump
Fuel ..................... Unleaded gasoline
Governor ..................... Flyweight all speed governor
Air Cleaner ..................... Dual stage element, dry type

Dimensions

Length, mm (in) ..................... 425 (16.7)
Width, mm (in) ..................... 359 (14.1)
Height, mm (in) ..................... 324 (12.8)
Dry weight, kg (lbs) ..................... 34.0 (75)

Kawasaki FH541V Maintenance Data

Cylinder Block and Valves

Cylinder Bore (Maximum), mm (in) ..................... 74.1 (2.9289)
Cylinder Compression (Minimum), kPa ..................... 391
Intake Valve Clearance (Cold), mm (in) ..................... 0.10-0.15 (0.0040-0.0059)
Exhaust Valve Clearance (Cold), mm (in) ..................... 0.10-0.15 (0.0040-0.0059)

Engine Oil and Filter

Engine Oil Type ..................... SAE 10W-30/10W-40, SAE 5W-20
Oil Classification ..................... SF, SG, SH, SJ or SL
Oil Capacity (w/o Filter), L (qts) ..................... 1.5 (1.6)
Oil Capacity (with New Filter), L (qts) ..................... 1.7 (1.8)
Oil Filter Part Number ..................... 49065-7010
Air Filter Part Number ..................... 11013-7002

Carburetor Specifications

Carburetor Model ..................... Walbro LMF
Throttle Bore Diameter, mm (in) ..................... 26.0 (1.02)
Venturi Diameter, mm (in) ..................... 16.0 (0.63)
Main Jet ..................... #100
Pilot Jet ..................... #48
Main Air Jet ..................... #150
Pilot Air Jet ..................... #170
Pilot Air Screw Turns Out ..................... 2-1/2
Float Level ..................... Float parallel to carburetor body
Low Idle Speed, rpm ..................... 1550 ± 100
High Idle Speed, rpm ..................... 3600 ± 100
Throttle Valve Screws Torque, Nm (ft-lbs) ..................... 0.70 (0.52)
Main Jet Torque, Nm (ft-lbs) ..................... 2.3 (1.7)
Float Chamber Mounting Screw Torque, Nm (ft-lbs) ..................... 4.5 (3.3)
Governor Arm Clamp Nut Torque, Nm (ft-lbs) ..................... 7.8 (5.8)

Ignition System

Plug Type ..................... Champion RCJ8Y or NGK BPMR6A
Plug Gap, mm (in) ..................... 0.75 (0.0296)
Ignition Coil Air Gap, mm (in) ..................... 0.20-0.40 (0.0079-0.0158)
Spark Plug Torque, Nm (ft-lb) ..................... 22 (16)

Service Intervals

Change Engine Oil ..................... Every 100 Hours
Change Oil Filter ..................... Every 200 Hours
Clean and Re-Gap Spark Plug ..................... Every 100 Hours
Replace Spark Plug ..................... Every 300 Hours
Clean Air Cleaner Paper Element ..................... Every 50 Hours
Replace Air Cleaner Paper Element ..................... Every 200 Hours
Check Carburetor Adjustment ..................... Every 100 Hours
Check and Adjust Valve Clearance ..................... Every 300 Hours

Kawasaki FH541V Service Specifications

Cylinder Head and Valves

Cylinder head warp, mm (in) ..................... 0.05 (0.002)
Valve clearance (Intake, Exhaust), mm (in) ..................... 0.10-0.15 (0.004-0.006)
Valve seating surface angle (Intake, Exhaust), deg ..................... 45
Valve seating surface width (Intake), mm (in) ..................... 0.6-0.9 (0.024-0.035)
Valve seating surface width (Exhaust), mm (in) ..................... 0.6-0.9 (0.024-0.035)
Valve guide inside diameter (Intake, Exhaust), mm (in) ..................... 6.08 (0.239)
Valve head thickness (Intake, Exhaust), mm (in) ..................... 0.35 (0.014)
Valve stem runout (Intake, Exhaust), mm (in) ..................... 0.05 (0.002)
Valve stem diameter (Intake), mm (in) ..................... 5.95 (0.0234)
Valve stem diameter (Exhaust), mm (in) ..................... 5.93 (0.0233)
Valve guide inside diameter (Intake, Exhaust), mm (in) ..................... 6.08 (0.239)
Valve spring free length (Intake, Exhaust), mm (in) ..................... 31.0 (1.22)
Rocker arm push rod run out (Intake, Exhaust), mm (in) ..................... 0.5 (0.02)

Cylinder and Pistons

Cylinder compression, kPa (psi) ..................... 390 (57)
Cylinder inside diameter (Standard), mm (in) ..................... 74.10 (2.917)
Cylinder inside diameter (0.50 Oversize), mm (in) ..................... 74.60 (2.937)
Cylinder bore out round, mm (in) ..................... 0.056 (0.0022)
Piston diameter, mm (in) ..................... 73.79 (2.905)
Piston top ring/groove clearance, mm (in) ..................... 0.15 (0.006)
Piston second ring/groove clearance, mm (in) ..................... 0.12 (0.005)
Piston ring thickness, mm (in) ..................... 1.40 (0.055)
Piston top ring end gap, mm (in) ..................... 0.70 (0.028)
Piston second ring end gap, mm (in) ..................... 0.78 (0.031)
Piston oil ring end gap, mm (in) ..................... 1.05 (0.041)
Piston pin outside diameter, mm (in) ..................... 15.96 (0.628)
Piston pin hole inside diameter, mm (in) ..................... 16.08 (0.633)
Connecting rod small end inside diameter, mm (in) ..................... 16.05 (0.632)

Crankshaft and Connecting Rod

Connecting rod big end width, mm (in) ..................... 18.80 (0.74)
Crankpin width, mm (in) ..................... 39.50 (1.56)
Connecting rod big end inside diameter, mm (in) ..................... 35.055 (1.3801)
Crankpin outside diameter, mm (in) ..................... 34.94 (1.3810)
Crankshaft journal diameter, mm (in) ..................... 34.93 (1.375)
Crankshaft journal bearing inside diameter, mm (in) ..................... 35.15 (1.384)

Kawasaki FH541V Tightening Torque Specs

Cylinder Head Bolts, Nm (ft-lb) ..................... 25 (19)
Crankcase Cover Bolts, Nm (ft-lb) ..................... 25 (19)
Flywheel Bolt, Nm (ft-lb) ..................... 56 (41)
Valve Clearance Lock Screws, Nm (ft-lb) ..................... 6.9 (5.1)
Connecting Rod Big End, Nm (ft-lb) ..................... 9.8 (7.3)
Rocker Arm Bolts, Nm (ft-lb) ..................... 28 (20)
Rocker Cover Mounting Bolts, Nm (ft-lb) ..................... 5.9 (4.4)
Exhaust Pipe Flange Nuts, Nm (ft-lb) ..................... 15 (11)
Spark Plugs, Nm (ft-lb) ..................... 22 (16)
Governor Arm Clamp Nut, Nm (ft-lb) ..................... 7.8 (5.8)
Intake Manifold Mounting Bolts, Nm (ft-lb) ..................... 5.9 (4.4)
Recoil Starter Retainer Screw, Nm (ft-lb) ..................... 7.8 (5.8)