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Kawasaki FX541V Specifications
The Kawasaki FX541V is a 0.6 l (603 cc, 36.8 cubic inches) V-twin 90 deg air-cooled 4-stroke internal combustion small gasoline engine with vertical shaft, manufactured by Kawasaki Heavy Industries LTd., for general-purpose applications, commercial mowers, heavy-duty industrial and construction equipment. The Kawasaki FX541V has V-twin design with vertical PTO shaft. The engine is equipped with overhead V-valves; spherical combustion chamber; cast-iron cylinder liners; metal engine cover with integrated cleanout ports; rotating grass chopper screen. The engine is equipped with electronic spark ignition and internally vented carburetor with fuel shut-off solenoid. The engine is equipped with a high-performance lubrication system and single or multi-stage canister air filter. The engine has an automatic compression release (ACR) system with recoil or heavy-duty shift-type starter. 13A or 20A charge coils, muffler, oil pressure switches, and shaft variations are available as an option. Bore and stroke are 73.0 mm (2.87 in) and 72.0 mm (2.83 in). Compression ratio rating is 8.1:1. The engine has a maximum power of 15.4 PS (11.3 KW; 15.1 HP) at 3,600 rpm or 16.7 PS (12.3 KW; 16.5 HP) at 3,600 rpm of maximum horsepower and 39.1 Nm (4.0 kgm; 28.9 ft-lb) at 2,200 rpm or 43.4 Nm (4.4 kgm; 32.0 ft-lb) at 2,000 rpm of max torque.
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- Kawasaki FX541V Engine Specifications
- Kawasaki FX541V Engine Maintenance
- Kawasaki FX541V Engine Troubleshooting
| General Technical Data |
Engine Model ............... Kawasaki FX541V
Engine Type ............... 4-cycle vertical shaft V-twin OHV air-cooled gasoline engine
Number of Cylinders ............... 2
Cylinder Liners ............... Cast iron
Displacement, cc (cu.in) ............... 603 (36.8)
Cylinder Bore, mm (in) ............... 73.0 (2.87)
Piston Stroke, mm (in) ............... 72.0 (2.84)
Rated Engine Power, hp (kW) ............... 16.5 (12.3)
Rated Engine Speed, rpm ............... 3600
Maximum Torque, Nm (ft-lb) ............... 43.4 (32.1)
Torque Speed, rpm ............... 2000
Compression Ratio ............... 8.1:1
Lubrication System ............... Pressure feed by positive displacement pump
Cooling System ............... Forced-air
Oil Filter Type ............... Cartridge, full flow
Ignition System ............... Electronic spark ignition
Air Cleaner Type ............... Dry element
Starting System ............... Heavy duty shift type starter
Electrical System Rating, Volts ............... 12
| Fuel System |
Fuel System ............... Carburetor
Carburetor Model ............... Walbro LMF
Carburetor Type ............... Float with fixed main jet, single barrel
Fuel Pump Type ............... Diaphragm pulse pump
Governor Type ............... Flyweight all speed governor
Fuel Type ............... Gasoline (86 or higher)
| Dimensions and Weight |
Overall Length, mm (in) ............... 468 (18.4)
Overall Width, mm (in) ............... 429 (16.9)
Overall Height, mm (in) ............... 544 (21.4)
Net weight, kg (lbs) ............... 40.5 (89.1)
| Cylinder Block |
Cylinder Inside Diameter (Max), mm (in) ............... 73.10 (2.878)
Cylinder Bore Out Round, mm (in) ............... 0.056 (0.0022)
Connecting Rod Bend, mm (in) ............... 0.15/100 (0.006/3.94)
Connecting Rod Big End Width, mm (in) ............... 19.00 (0.748)
Connecting Rod Big End Inside Diameter, mm (in) ............... 38.04 (1.50)
Connecting Rod Small End Inside Diameter, mm (in) ............... 16.05 (0.632)
Crankpin Outside Diameter, mm (in) ............... 37.94 (1.49)
Crankpin Width, mm (in) ............... 40.0 (1.57)
Crankshaft Runout, mm (in) ............... 0.05 (0.002)
Crankshaft Journal Diameter (PTO), mm (in) ............... 37.90 (1.492)
Crankshaft Journal Diameter (Flywheel), mm (in) ............... 34.90 (1.374)
Crankshaft Bearing Inside Diameter, mm (in) ............... 38.10 (1.500)
| Cylinder Head and Valves |
Cylinder Head Warp, mm (in) ............... 0.05 (0.002)
Valve Clearance (Intake, Exhaust), mm (in) ............... 0.10-0.15 (0.0040-0.0060)
Valve Seat Angle (Intake, Exhaust), deg ............... 45
Valve Seat Width (Intake), mm (in) ............... 0.8-1.4 (0.03-0.06)
Valve Seat Width (Exhaust), mm (in) ............... 0.8-1.4 (0.031-0.055)
Valve Guide Inside Diameter (Intake, Exhaust), mm (in) ............... 6.00-6.012 (0.2362-0.2367)
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 (0.234)
Valve Stem Diameter (Exhaust), mm (in) ............... 5.93 (0.233)
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 Runout (Intake, Exhaust), mm (in) ............... 0.5 (0.02)
Cam Lobe Height, mm (in) ............... 29.621 (1.166)
| Piston and Piston Rings |
Piston Pin Outside Diameter, mm (in) ............... 15.96 (0.628)
Piston Pin Hole Inside Diameter, mm (in) ............... 16.08 (0.633)
Piston Outside Diameter, mm (in) ............... 72.79 (2.866)
Top Ring Groove Clearance, mm (in) ............... 0.12 (0.0047)
Second Ring Groove Clearance, mm (in) ............... 0.12 (0.0047)
Piston Ring Thickness, mm (in) ............... 1.1 (0.043)
Top Ring End Gap, mm (in) ............... 0.7 (0.028)
Second Ring End Gap, mm (in) ............... 0.9 (0.035)
Oil Ring End Gap, mm (in) ............... 1.05 (0.041)
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| Engines Technical Specifications |