The Kawasaki FC401V is a 423 cc (25.81 cu-in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine with vertical shaft manufactured by Kawasaki Heavy Industries LTd., for general-purpose applications.
The FC401V engine has an OHV (overhead valve) design; cast-iron cylinder liner; reciprocating balancer; float type carburetor with fixed main jet; flywheel magneto transistor type ignition system; mechanical governor; low tone muffler; recoil starter with an automatic compression release. The engine uses semi cyclone type air cleaner with a dual element and pressurized lubrication system.
Optionally, the engine could be equipped with 12V solenoid shift starter; charging coil; alternator for an electric clutch; carburetor with fuel shut-off solenoid; oil pressure switch; oil drain extension; separated choke from throttle and pulse type fuel pump.
It has an 89.0 mm (3.5 in) cylinder bore and 68.0 mm (2.68 in) piston stroke. Compression ratio rating is 8.4:1. The Kawasaki FC401V motor produced 13.2 PS (9.7 KW; 13.0 HP) at 3,600 rpm of horsepower and 29.2 Nm (2.98 kg·m; 21.55 ft·lb) at 2,200 rpm of torque.
General information
| Engine Specifications | |
| Model | FC401V |
| Type | 4-stroke, OHV, single cylinder |
| Displacement | 423 cm 3 (25.81 cu-in) |
| Max. horsepower | 13.2 PS (9.7 KW; 13.0 HP) at 3,600 rpm |
| Max. torque | 29.2 Nm (2.98 kg·m; 21.55 ft·lb) at 2,200 rpm |
| Carburetor | Float type with fixed main jet |
| Cooling system | Forced-air |
| Ignition system | Flywheel magneto transistor type |
| Lubricating system | Pressurized |
| Starting system | Recoil or electric starter |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Fuel tank capacity | – |
| Fuel consumption | – |
| PTO shaft rotation | Counterclockwise (from PTO shaft side) |
Dimensions and Weight
| Kawasaki FC401V | |
| Length | 448 mm (17.6 in) |
| Width | 453 mm (17.8 in) |
| Height | 358 mm (14.0 in) |
| Dry weight | 35.2 kg (77.5 lbs) |
Service Information
| Engine | |
| Maximum speed | 3,300 ± 100 rpm |
| Idle speed | 1,500 ± 150 rpm |
| Cylinder compression | 5.0 kg/cm2 (70 psi) |
| Valve clearance | |
| Intake valve | 0.15 mm (0.006 in) |
| Exhaust valve | 0.15 mm (0.006 in) |
| Oil system | |
| Oil type | 4-stroke or an equivalent (SF, SE, SD) |
| Recommended oil | SAE 10W-30, 10W-40 |
| Oil capacity | 1.3 L (1.4 US. qt) |
| Ignition system | |
| Spark plug | NGK: BPR5ES; CHAMPION: RN11YC; |
| Spark plug gap | 0.7-0.8 mm (0.028-0.031 in) |
| Ignition coil air gap | 0.3 mm (0.012 in) |
Tightening torque specs
| Tightening torque specs | Cylinder head | 52 Nm; 5.2 kg·m; 38.3 ft·lb |
| Connecting rod | 20 Nm; 2.0 kg·m; 14.7 ft·lb |
| Flywheel | 137 Nm; 14 kg·m; 101 ft·lb |
| Crankcase cover | 26 Nm; 2.6 kg·m; 19.2 ft·lb |
| Oil drain plug | 23 Nm; 2.3 kg·m; 16.7 ft·lb |
| Valve clearance lock nut | 20 Nm; 2.0 kg·m; 14.7 ft·lb |
Author:
I have a ferris mower with a kawasaki FC401V 14 hp 423 cc that seized up on me. Im looking to replace it. What other brands can substitute for this vertical shaft engine?
Hi Sean did you get an answer to your question, i have the same issue [email protected]
I have a Kubota T1560 with Kawasaki FC401V and have worn it out. Need a replacement Kawasaki or other brand that will work. Any one got a solution for a engine?
I’m interested on your FC401V where in Canada can I purchase this engine.
Looking for replacement of mt FC401 S06 engine. What is available?