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Home / Small Engines / Kawasaki Engines / Kawasaki FD750D

Kawasaki FD750D Specifications

Engine Model: Kawasaki FD750D

Engine Type: 4-cycle 2-cylinder liquid cooled gasoline engine

Total Displacement: 45.5 cu.in (745 cc)

Rated Engine Power: 27 Hp (20.2 kW)

Carburetor Type: Float, fixed main jet

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General Technical Data

Engine Model ............... Kawasaki FD750D
Engine Type ............... 4-cycle horizontal shaft overhead valve liquid-cooled gasoline engine
Number of Cylinders ............... 2
Cylinder Layout ............... 90 deg, V-Twin
Cylinder Liners ............... Cast iron
Displacement, cc (cu.in) ............... 745 (45.5)
Engine Bore, mm (in) ............... 78.0 (3.07)
Engine Stroke, mm (in) ............... 78.0 (3.07)
Maximum Horse Power, hp (kW) ............... 27.0 (20.2)
Rated Engine Speed, rpm ............... 3600
Maximum Torque, Nm (ft-lb) ............... 58.3 (43.0)
Torque Speed, rpm ............... 2400
Compression Ratio ............... 8.5:1
Lubrication System ............... Pressurised feed by positive displacement pump
Oil Filter Type ............... Cartridge, full flow
Air Cleaner Type ............... Dual stage element
Cooling System ............... Pressurized forced circulation type
Coolant Capacity, L (qts) ............... 2.7 (2.9)
Ignition System ............... Transistorized-flywheel magneto
Starting System ............... Shift type electric starter
Electrical System Rating, Volts ............... 12

Fuel System

Fuel System ............... Carburetor
Carburetor Type ............... Float with fixed main jet
Fuel Pump Type ............... Electo magnetic
Governor Type ............... Mechanical
Fuel Filter Type ............... Replaceable paper element
Fuel Type ............... Gasoline (86 or higher)

Dimensions and Weight

Overall Length, mm (in) ............... 580 (22.8)
Overall Width, mm (in) ............... 458 (17.9)
Overall Height, mm (in) ............... 520 (20.5)
Net Weight, kg (lbs) ............... 58.0 (128.0)

Cylinder Block

Cylinder Inside Diameter (Max), mm (in) ............... 78.080 (3.0740)
Cylinder Inside Diameter (0.50 Oversize), mm (in) ............... 78.580 (3.0937)
Cylinder Bore Diameter (0.50 Oversize), mm (in) ............... 78.500-78.480 (3.0905-3.0898)
Cylinder Bore Out Round, mm (in) ............... 0.056 (0.0022)
Cylinder Bore Diameter (Std), mm (in) ............... 78.000-77.980 (3.0709-3.0701)
Crankpin Outside Diameter, mm (in) ............... 39.950 (1.5728)
Crankshaft Runout, mm (in) ............... 0.05 (0.002)
Crankshaft Journal Diameter (PTO), mm (in) ............... 41.935 (1.6510)
Crankshaft Journal Diameter (Flywheel), mm (in) ............... 41.935 (1.6510)
Connecting Rod Small End Inside Diameter, mm (in) ............... 19.060 (0.7504)
Connecting Rod Big End Width, mm (in) ............... 22.35 (0.88)
Connecting Rod Big End Inside Diameter, mm (in) ............... 40.055 (1.5770)
Connecting Rod Bend, mm (in) ............... 0.15/100 (0.006/3.94)
Camshaft Journal Diameter (PTO), mm (in) ............... 19.927 (0.7845)
Camshaft Journal Diameter (Flywheel), mm (in) ............... 19.927 (0.7845)

Cylinder Head and Valves

Cylinder Head Warp, mm (in) ............... 0.06 (0.002)
Valve Clearance, mm (in) ............... 0.15 (0.006)
Valve Seating Surface Angle, Degrees ............... 45
Valve Seating Surface Width (Intake), mm (in) ............... 0.5-1.1 (0.02-0.043)
Valve Seating Surface Width (Exhaust), mm (in) ............... 0.5-1.1 (0.02-0.043)
Valves Guide Inside Diameter, mm (in) ............... 7.000-7.015 (0.2756-0.2762)
Valve Head Thickness, mm (in) ............... 0.6 (0.024)
Valve Stem Bend, mm (in) ............... 0.05 (0.002)
Valve Stem Diameter, mm (in) ............... 6.935 (0.2730)
Valve Guide Inside Diameter, mm (in) ............... 7.080 (0.2787)
Valve Spring Free Length, mm (in) ............... 31.00 (1.22)
Rocker Arm Push Rod Runout, mm (in) ............... 0.50 (0.02)
Rocker Arm Collar Outside Diameter, mm (in) ............... 10.914 Mm (0.4297)
Rocker Arm Bearing Inside Diameter, mm (in) ............... 11.052 Mm (0.4351)
Cam Lobe Height (Intake), mm (in) ............... 33.594 (1.3226)
Cam Lobe Height (Exhaust), mm (in) ............... 33.594 (1.3226)

Piston and Piston Rings

Piston Pin Outside Diameter, mm (in) ............... 18.960 (0.7465)
Piston Pin Hole Inside Diameter, mm (in) ............... 19.080 (0.7512)
Piston Outside Diameter, mm (in) ............... 77.700 (3.0590)
Top Ring Groove Clearance, mm (in) ............... 0.15 (0.0059)
Second Ring Groove Clearance, mm (in) ............... 0.15 (0.0059)
Top Ring Thickness, mm (in) ............... 1.40 (0.055)
Second Ring Thickness, mm (in) ............... 1.40 (0.055)
Top Ring End Gap, mm (in) ............... 1.0 (0.04)
Second Ring End Gap, mm (in) ............... 1.0 (0.04)
Oil Ring End Gap, mm (in) ............... 1.2 (0.05)

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