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Home / Small Engines / Kawasaki Engines / Kawasaki FX751V

Kawasaki FX751V Specifications

Engine Model: Kawasaki FX751V

Engine Type: 4-cycle V-twin cylinder OHV gasoline engine

Total Displacement: 52 cu.in (852 cc)

Rated Engine Power: 24.5 Hp (18.3 kW)

Carburetor Type: Two-barrel, fixed main jet

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General Technical Data

Engine Model ............... Kawasaki FX751V
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) ............... 852 (52.0)
Cylinder Bore, mm (in) ............... 84.5 (3.33)
Piston Stroke, mm (in) ............... 76.0 (2.99)
Rated Engine Power, hp (kW) ............... 24.5 (18.3)
Rated Engine Speed, rpm ............... 3600
Maximum Torque, Nm (ft-lb) ............... 60.2 (44.4)
Torque Speed, rpm ............... 2200
Compression Ratio ............... 8.2:1
Lubrication System ............... Pressure feed by positive displacement pump
Cooling System ............... Forced-air
Oil Filter ............... Cartridge type full flow
Air Cleaner ............... Dual stage element, heavy duty type
Ignition System ............... Transistorized-flywheel magneto
Starting System ............... Heavy duty shift type electric starter
Electrical System Rating, Volts ............... 12

Fuel System

Fuel System ............... Carburetor
Carburetor Type ............... Float type with fixed main jet, two barrel
Fuel Pump ............... Diaphragm type pulse pump
Fuel Type ............... Gasoline (86 or higher)
Governor Type ............... Flyweight all speed governor

Dimensions and Weight

Overall Length, mm (in) ............... 480 (18.9)
Overall Width, mm (in) ............... 460 (18.1)
Overall Height, mm (in) ............... 615 (24.2)
Net weight, kg (lbs) ............... 124.1 (54.6)

Cylinder Block

Cylinder Inside Diameter (Max), mm (in) ............... 84.55 (3.329)
Cylinder Inside Diameter (Std), mm (in) ............... 84.48-84.50 (3.326-3.327)
Cylinder Bore Out Round, mm (in) ............... 0.05 (0.002)
Crankpin Width, mm (in) ............... 49.0 (1.93)
Connecting Rod Big End Inside Diameter, mm (in) ............... 40.04 (1.576)
Crankpin Outside Diameter, mm (in) ............... 39.94 (1.572)
Crankshaft Journal Diameter, mm (in) ............... 41.90 (1.650)
Connecting Rod Bend, mm (in) ............... 0.15/100 (0.006/3.94)
Connecting Rod Big End Width, mm (in) ............... 22.70 (0.8937)
Connecting Rod Small End Inside Diameter, mm (in) ............... 20.06 (0.7898)
Camshaft Journal Diameter, mm (in) ............... 19.98 (0.7866)
Camshaft Bearing Inside Diameter, mm (in) ............... 20.14 (0.7929)

Cylinder Head and Valves

Cylinder Head Warp, mm (in) ............... 0.03 (0.001)
Valve Clearance, mm (in) ............... 0.05-0.10 (0.002-0.004)
Valve Head Thickness, mm (in) ............... 0.4 (0.016)
Valve Stem Runout, mm (in) ............... 0.05 (0.002)
Valve Stem Diameter (Intake), mm (in) ............... 6.94 (0.2732)
Valve Stem Diameter (Exhaust), mm (in) ............... 6.93 (0.2728)
Valve Guide Inside Diameter, mm (in) ............... 7.000-7.015 (0.2756-0.2762)
Valve Seating Surface Angle, degrees ............... 45
Valve Seating Surface Width (Intake), mm (in) ............... 1.1-1.7 (0.043-0.067)
Valve Seating Surface Width (Exhaust), mm (in) ............... 1.0-1.5 (0.039-0.059)
Valve Spring Free Length, mm (in) ............... 38.3 (1.51)
Rocker Arm Push Rod Runout, mm (in) ............... 0.2 (0.008)
Rocker Shaft Outside Diameter, mm (in) ............... 10.91 (0.4295)
Rocker Arm Inside Diameter, mm (in) ............... 11.13 (0.4382)
Cam Lobe Height (Intake), mm (in) ............... 34.30 (1.350)
Cam Lobe Height (Exhaust), mm (in) ............... 35.13 (1.383)

Pistons and Piston Ring

Piston Pin Outside Diameter, mm (in) ............... 19.96 (0.7858)
Piston Pin Hole Inside Diameter, mm (in) ............... 20.57 (0.8098)
Piston Diameter, mm (in) ............... 84.24 (3.316)
Top Ring Groove Clearance, mm (in) ............... 0.15 (0.0059)
Second Ring Groove Clearance, mm (in) ............... 0.18 (0.0071)
Top Ring Thickness, mm (in) ............... 1.13 (0.0445)
Second Ring Thickness, mm (in) ............... 1.08 (0.0425)
Top Ring End Gap, mm (in) ............... 0.7 (0.028)
Second Ring End Gap, mm (in) ............... 0.8 (0.031)
Oil Ring End Gap, mm (in) ............... 1.0 (0.039)

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