The Kawasaki FR730V is a 0.73 l (726 cc, 44.3 cu-in) V-twin 90° air-cooled 4-stroke internal combustion small gasoline engine with vertical shaft, manufactured by Kawasaki Heavy Industries LTd., for general-purpose applications, such as residential zero-turn mowers, lawn and garden tractors.
The FR730V has 90 degrees V-twin design with vertical PTO shaft, overhead valves, cast iron cylinder liners, spherical combustion chamber and rotating metal grass chopper screen. The engine is equipped with an internally vented carburetor with fuel shut-off solenoid and equipped with the electronic spark ignition system. The motor uses a high-performance lubrication system and single-stage air filter.
The engine has bendix type electric starter with automatic compression release (ACR) system. 13A or 20A charge coils are available as an option.
It has a 78.0 mm (3.07 in) cylinder bore and 76.0 mm (2.99 in) piston stroke. Compression ratio rating is 8.2:1. The Kawasaki FR730V produced 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 horsepower 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.
General information
| 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 |
Dimensions and Weight
| Kawasaki FR730V | |
| 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) |
Tightening torque specs
| 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 |
Author:
Your site has been extremely helpful and I greatly appreciate the service you provide.
We have an active project where we require your assistance.
Attached are the specifications for “Lawn Mowers” & we need your quote by C.O.B. on 04/06/2023.
ITEM NO# !: (Ea.) (Qty 4)
•A premium 24 HP/726cc Kawasaki FR730V twin-cylinder OHV engine, commercial-grade power
•Commercial-grade dual Hydro-Gear® ZT-3100 rear-wheel transmissions for quick and effortless 7.5 MPH forward (3.5 MPH reverse) zero-turn controlled ground speeds. •Cut comfortably at your maximum speed with automotive-inspired, fully adjustable premium 24 in. high back seat with cushioned armrests, ball-bearing seat slide and advanced polymer seat isolators.
•60-in. AeroForce fabricated deck with heavy-duty reinforced leading edges and cutting system that delivers a signature cut with fewer clumps and stragglers, finer clippings and increased evenness. With roll bar.
Also please provide us the following:
Brand/Make & Model:
Freight Charges to FT. Benning , GA 31905: $______________
Lead Time:
Warranty:
Quote Validity:
Data Sheets/ Brochure:
Country of Origin:
Condition (New/Used);
I’d like to second Robert. This information is extremely helpful. Thank you so much.
I have a Kawasaki FR730V am working on I bought it used it does have issues
What output shaft does it have? The length and diameter would be good info to have.