Kawasaki FH641V - User Manual

OVERHEAD V-VALVE V-TWIN DUAL ELEMENT AIR CLEANER PRESSURIZED LUBRICATION SYSTEM FULL TRANSISTOR IGNITION
675cm
3
,15.7kW (21.0Hp) / 3600rpm
Let the good times roll.
PERFORMANCE CURVES
TORQUE
30
40
50
60
TORQUE
ft.lbs
N-m
25
30
35
40
45
6
8
10
12
18
14
8
10
12
22
16
20
14
kW
16
Hp
OUTPUT
2000 3000
3600
ENGINE SPEED rpm
MAXIMUM OUTPUT
RECOMMENDED
MAXIMUM OUTPUT
Engine Type Forced air cooled 4-stroke, vertical
shaft, OHV gasoline engine
Cylinder Layout 90°V-Twin
Bore x Stroke 75.2 x 76mm ( 2.96 x 2.99in. )
Piston Displacement 675cm
3
( 41.2cu.in. )
Compression Ratio 8.1 : 1
Max.Horse Power 15.7kW ( 21.0Hp ) / 3600rpm
Max.Torque 52.1N-m ( 38.4ft.lbs ) / 2400rpm
Direction of Rotation Counter-clockwise facing the PTO shaft
Fast Idle Speed 3600rpm
Slow Idle Speed 1550rpm
Min.Specific Fuel
329gr / kW-hr ( 245gr / Hp-hr )
Consumption Ratio
Carburetor
Twin barrel, Float type with fixed main jet
Fuel Pump Pulse type
Oil Capacity 1.8litre ( 1.9US.qt. ) with Filter
Ignition Flywheel magneto transistor type
Plug
NGK BPR4ES
RFI Per Canada and U.S.A. requirements
Starter BENDIX type electric starter
Governor Mechanical governor
Lubrication Full pressure lubrication with spin-on
oil filter
Air Cleaner Dual element
Muffler Low tone type
Charging Coil 12V-13A with Regulator
Net Weight 40.0kg ( 88.2Ibs ) without Muffler
Dimension 458 x 430 x 461mm without Muffler
( L x W x H ) ( 18.03 x 16.93 x 18.15in. )
Specifications subject to change without notice.
GENERAL SPECIFICATIONS

Summary

General Engine Specifications

Engine Type and Configuration

Details the engine's cooling, stroke, and configuration.

Performance Metrics

Key output and torque figures at specific RPM.

Fuel and Ignition System

Specifications for carburetor, fuel pump, and ignition.

Lubrication and Air Intake

Details on oil capacity, lubrication system, and air cleaner.

Performance Curves

Engine Output Curve

Graph showing horsepower and kilowatt output vs. engine speed.

Engine Torque Curve

Graph showing torque output in N-m and ft.lbs vs. engine speed.

Dimensional Specifications

Overall Engine Dimensions

Provides overall length, width, and height in mm and inches.

Mounting and Connection Points

Details dimensions for mounting bolts and connections.

Component Layout Dimensions

Specifies dimensions for key components like PTO shaft.

Kawasaki FH641V Specifications

General

Compression Ratio	8.1:1
Cooling System	Air-cooled
Fuel System	Carburetor
Engine Type	4-stroke, OHV, V-twin
Displacement	675 cc
Maximum Power	15.7 kW (21.1 hp) @ 3600 rpm
Oil Capacity	2.0 L
Ignition System	Magneto
Lubrication System	Forced lubrication