1
. GENERAL INFORMATION
CK 1
SPECIFICATIONS
Motorcycle name & Model No.
CK 1
Chassis name & Model No.
LKH3
Overall length (mm)
2030
Overall width (mm)
1050
Overall height (mm)
750
Wheel base (mm)
1330
Engine type
O.H.V
Displacement (cc)
125
Fuel type
93# nonleaded gasoline
Dry weight (kg)
Front
59
Rear
64
Total
123
Gross weight
(kg)
Front
64
Rear
70
Total
134
Tires
Front
80/100-17
Rear
110/80-17
Ground clearance (mm)
195
Perform-
ance
Braking distance (m)
7 (30km/h)
Min. turning radius (m)
2.16/1.92
Starting system
Starting motor
Type
Gasoline, 4-stroke
Cylinder arrangement
Single cylinder
Combustion chamber type
Semi-sphere
Valve arrangement
SOHC-2V
Bore x stroke (mm)
54 x 54.5
Compression ratio
9.5
Compression pressure
(kg/cm
²
−
rpm)
12
±
2
Max. output (kw/rpm)
7.6/8000
E
ngi
ne
Max. torque (N.M/rpm)
9.8/6000
Port
timing
Intake
(7.68mm)
Open
-2
°
Close
22
°
Exhaust
(7.38mm)
Open
32
°
Close
3
°
Valve clearance
(Cold engine)
Intake
0.06mm
Exhaust
0.06mm
Idle speed (rpm)
1700
L
ubr
ic
at
ion
S
y
st
em
Lubrication type
Forced pressure &
wet sump
Oil pump type
Inner/outer rotor
Oil filter type
Wire gauze filter
Oil capacity
0.9 liter
Cooling Type
Air cooling
F
u
el
S
y
st
em
Air cleaner type
Paper element
Fuel capacity
12.5liter
C
ar
bur
et
or
Type
VM
Piston dia. (mm)
φ
23
Venturi dia.(mm)
φ
25 equivalent
Throttle type
Butterfly type
E
le
ctr
ic
al
E
q
u
ip
me
n
t
Igni
tion S
ys
te
m
Type
CDI
Ignition timing
Breaker type
Spark plug
CR8E
Spark plug gap
0.8mm
Battery
Capacity
12V7AH
P
o
we
r Dr
iv
e
S
y
st
em
Clutch
Type
Wet multi-disc clutch
T
ran
sm
issi
o
n
G
ear
Type
5-speed transmission
Operating method
Foot operated
Type
International type
Reduction
ratio
1st gear
4.056
2nd gear
2.533
M
ovi
ng D
evi
ce
Front Caster angle
26
°
Axle Wheel base (mm)
1330
Tire pressure
(kg/cm
²
)(2 riders)
Front
1.75/2.0
Rear
1.75/2.25
Turning angle
Left
45
°
Right
45
°
Brake system
type
Front
Disk brake
Rear
Drum brake
D
am
pi
ng
D
ev
ice
Suspension
Front
Telescopic fork
Rear
Linkage
Shock absorber
Front
Oil damper spring
Rear
Oil damper spring
Frame type
Rhomboid frame
1-1
