Kawasaki FH721D User Manual
OVERHEAD V -V ALVE V -TWIN
DUAL ELEMENT AIR CLEANER
PRESSURIZED LUBRICA TION SYSTEM
FULL TRANSISTOR IGNITION
675cm
3
,18.6kW (25.0Hp) / 3600rpm
Let the good times roll.
Engine Type Forced air cooled 4-stroke, horizontal
shaft, OHV gasoline engine
Cylinder Layout 90°V-Twin
Bore x Stroke 75.2 x 76mm ( 2.96 x 2.99in. )
Piston Displacement 675cm3( 41.2cu.in. )
Compression Ratio 8.1 : 1
Max.Horse Power 18.6kW ( 25.0Hp ) / 3600rpm
Max.Torque 56.0N-m ( 41.3ft.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 1.9litre ( 2.0US.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 43.9kg ( 96.8Ibs ) without Muffler
Dimension 447.5 x 430 x 492mm without Muffler
( L x W x H ) ( 17.62 x 16.93 x 19.37in. )
Specifications subject to change without notice.
GENERAL SPECIFICATIONS
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
16
18
kW
20
24
26
Hp
OUTPUT
2000 3000
3600
ENGINE SPEED rpm
MAXIMUM OUTPUT
RECOMMENDED
MAXIMUM OUTPUT
PERFORMANCE CURVES
FH721D : DIMENSIONAL SPECIFICATIONS Unit : mm ( in. )
215 (8.46)
492 (19.37)
130 (5.12)
212.6 (8.37)
ABOVE 11 MAINTENANCE STROKE
WARNING
・FOR SAFE OPERATION,
READ OWNER'S MANUAL.
・GASOLINE IS FLAMMABLE.
KEEP AWAY FROM FLAME
OR SPARKS.
・EXHAUST GAS IS POISONOUS.
DO NOT RUN ENGINE IN
AN ENCLOSED AREA.
・TO AVOID BURN. DO NOT
TOUCH HOT MUFFLER.
430 (16.93)
E N G I N E M A I N T E N A N C E
1. CHECK OIL LEVEL
2. CHECK & CLEAN AIR CLEANER
3. CLEAN FINS & SCREEN
4. CHANGE OIL & OIL FILTER
REFER TO OWNER'S MANUAL FOR FURTHER INFORMATION
25.025.0
115.6 (4.55)
172.4 (6.79)
215 (8.46)
M
F0
F
L
A
8
OW
D
2
E
1
9
I
7
N
1
U
S
A
Ø6.4 (0.25)
Ø7.9 (0.31)
7/16-20 UNF
187.6 (7.39)
V-VALVE
84 (3.31)
28 (1.1)
R1.5 (0.06)
Ø69
(2.72)
IMPORTANT ENGINE INFORMATION
4 (0.16)
Ø28.5 (1.125)
155.5 (6.12)
20 (0.79)
2.5 (0.10)
100 (3.94)
109.9 (4.33)
19 (0.75)
339 (13.35)
13.9 (0.55)
145.4 (5.72)
347.5 (13.66)
130.5 (5.14)
V-VALVE
293 (11.54)
V-VALVE
18 (0.71)
47.5 (1.87)
138 (5.43)
18 (0.71)
105 (4.13)
92.1 (3.63)
65.5 (2.58)
CHOKE OPEN
LOW IDLE
163.1 (6.42)
45°
30°
48 (1.
57)
24 (0.
5°
95)
280 (11.02)
HIGH IDLE
CHOKE CLOSE
130 (5.51)
30°
48 (1.
24 (0.
90.5 (3.56)
92.1 (3.63)
75 (2.95)
91 (3.58)
45°
104 (4.09)
177 (6.97)
11 - Ø10.3 X Ø9.3
(0.41X0.37) HOLES
193 (7.60)
STUD BOLT FOR MUFFLER
57)
95)
5°
4-M8 x 1.25
6.3 (0.25)
459.3 (18.08)
310 (12.20)
Ø196.
.
D
P.C.
P.C.D.Ø142.88 (5.63)
310 (12.20)
75)
7.
5 (
8
4-3/8-16UNC
17 (0.67) DEEP
45°
24 (0.95)
45°
4-7/16-14UNC
21 (0.83) DEEP
KAWASAKI HEAVY INDUSTRIES,LTD.
Consumer Products & Machinery Company
P/N99909-2238 Printed in Japan 02-04(71)
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