Kawasaki FR730V Engine Specs
The Kawasaki FR730V is a 0.73 liter 44.3 cu-in (726 cc) V-twin 90° air-cooled 4-stroke internal combustion small gasoline engine with a vertical shaft, made by Kawasaki Heavy Industries LTd., for general-purpose applications, such as lawn and garden tractors, residential zero-turn mowers.
The Kawasaki FR730V engine is fitted with an internally vented carburetor, a fuel shut-off solenoid, and an electronic spark ignition system. The motor uses a high-performance lubrication system and single-stage air filter.
The Kawasaki FR730V engine delivered 22.6 PS (16.6 kW; 22.2 HP) at 3,600 rpm or 24.3 PS (17.9 kW; 24.0 HP) at 3,600 rpm and of maximum HP and 54.3 Nm (5.5 kg·m; 40.0 ft·lb) at 2,000 rpm or 53.9 Nm (5.5 kg·m; 39.8 ft·lb) at 2,200 rpm of torque.
The Kawasaki FR730V engine has a 78.0 mm (3.07 in) cylinder bore and a 76.0 mm (2.99 in) piston stroke. The Kawasaki FR730V engine compression ratio rating is 8.2:1.
The Kawasaki FR730V engine has 90 degrees V-twin design with a vertical PTO shaft, cast iron cylinder liners, overhead valves, a spherical combustion chamber, and a rotating metal grass chopper screen.
The Kawasaki FR730V engine has a Bendix-type electric starter with an automatic compression release system. 13A or 20A charge coils are available as an option.
Kawasaki FR730V (726 cc, 22.2/24.0 HP) vertical V-Twin Engine Specs
Engine Specifications
| Model | FR730V |
| Type | 4-stroke, OHV, V-twin 90° |
| Displacement | 726 cm 3 (44.3 cu-in) |
| Max. horsepower | 22.6 PS (16.6 KW; 22.2 HP) at 3,600 rpm 24.3 PS (17.9 KW; 24.0 HP) at 3,600 rpm |
| Max. torque (crank PTO) | 54.3 Nm (5.5 kg·m; 40.0 ft·lb) at 2,000 rpm 53.9 Nm (5.5 kg·m; 39.8 ft·lb) at 2,200 rpm |
| Carburetor | Internally vented with fuel shut-off solenoid |
| Cooling system | Air-cooling |
| Ignition system | Electronic spark ignition |
| Lubricating system | Full pressure with spin-on oil filter |
| Starting system | Bendix type starter |
| Charging system | 13A or 20A charge coil (option) |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Fuel consumption | 245 g/HPh |
| Cooling system | Pressurized forced circulation type |
Tightening torque specs
| Cylinder head | 46 Nm; 4.6 kg·m; 33.9 ft·lb |
| Connecting rod | 10 Nm; 1.0 kg·m; 7.4 ft·lb |
| Flywheel | 56 Nm; 5.7 kg·m; 41.3 ft·lb |
| Crankcase cover | 27.5 Nm; 2.75 kg·m; 20.3 ft·lb |
| Intake manifold | 9 Nm; 0.9 kg·m; 6.6 ft·lb |
| Oil drain plug | 7 Nm; 0.7 kg·m; 5.2 ft·lb |
| Valve clearance lock nut | 11 Nm; 1.1 kg·m; 8.1 ft·lb |
Maintenance Data
| Engine | |
| Maximum speed | 3500 ± 100 rpm |
| Idle speed | 1500 ± 100 rpm |
| Cylinder compression | 4.5 kg/cm2 (64 psi) at 500 rpm |
| Valve clearance | |
| Intake valve | 0.10-0.15 mm (0.004-0.006 in) |
| Exhaust valve | 0.10-0.15 mm (0.004-0.006 in) |
| Oil system | |
| Oil type | 4-stroke or an equivalent (SJ or higher class) |
| Recommended oil | SAE 10W-40, 10W-30 |
| Oil capacity (with filter changed) | With oil filter: 2.1 litre Without oil filter: 1.8 litre |
| Ignition system | |
| Spark plug | NGK: BPR4ES |
| Spark plug gap | 0.7-0.8 mm (0.027-0.031 in) |
| Ignition coil air gap | 0.2-0.4 mm (0.008-0.011 in) |
| Spark plug tightening torque | 22 Nm; 2.2 kg·m; 16.2 ft·lb |
Dimensions and Weight
| Length, mm (in) | 501 (19.7) |
| Width, mm (in) | 466 (18.3) |
| Height, mm (in) | 392 (15.4) |
| Dry weight, kg (lb) | 40.0 (88.2) |
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Final Words
This concludes our discussion of the Kawasaki FR730V (726 cc, 22.2/24.0 HP) vertical V-Twin Engine specs and review; however, if you have any questions regarding this article, please submit them in the comment section below. We will do our best to respond to you as soon as possible.