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Table of Contents
GENERAL
~/
'::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
COOLING SYSTEM
Air.
cooling
through
the Iorge cooling fin surface
of
cylinders
heads.
The
cylinders
ore further
cooled
by
the
motor
oil.
IGNITION SYSTEM
Electronic type
with
inductive
d
ischarge
system
.
Make
.............
......
...... ...
..
..................
.
..
..
KO KUSAN
Automatic
advance:
-
up to 1700
rpm±200
.. ..
.. .. ..
.
.
.
.
..
..
.
.
..
.
.
.
..
.. ........
...
-
1700
to
2600
rpm±300
...
progressive
up
to
32°
(Check using a
stroboscopic
light)
Spark
plugs
Make
...........
............
.
.
Type
Electrode
gop
TRANSMISSION
7
so s.s.
1
900
s.s.
C
HAMPIO
N
RA6HC I
RA6YC
0 .0236
in
.
Multiple-disk
dry clutch:
7
+7
with 13
friction surfaces
(900
S.S.);
multiple
dry
clutch
8+7 w
ith
17 friction
surfaces
(750
S.S.)
controlled by
on
hydraulic
circuit
operated by
a lever on
the
left side of the handlebar.
Trosmissione
between engine
and
main
shaft of
geobox
w
ith
straight
toothed gears
Ratio
.. .............
....
. ..............
7 1/
36
I
62/3
1
5
ratios
(750 S.S.)
6 ratios
(900
S.S.)
gearbox
w
ith
costont meshed
gears
;
the
id
le geors
ore
supported
by
roller
coges.
change
kick
to
the left.
Gear ratios
750
S.S.
!
900 S.S.
I st
speed
.
.
.
...
..
....
..
.. ......... ... ..
...
..
.... .
40/
16=25
37/
1
5=2.46
2nd
speed
.
..
..
..
. ..
..
..... .........
....
...
36/2
1=1.71
30/17=1.76
3rd
speed
..
....
..
..
....
..
..
.......
.... ...
..
.... ..
...
32/24=
1.33
27/20= 135
4th speed
...
......
.. ....
.....
...
...
.... .. .
....
29/27=1.07
24/22= 1.09
5th
speed
........
..
..
....
..
..
......
..
.......
..
......
..
.
28/29=0 96
23/24=0
95
6th
speed
..
..
..
.. .. ..
..
.
..
..
..
..
...
.... .... ..
.
..
..
..
.
24/28=0.85
Transm ission between gearbox and
rear
wheel
through
chain:
Make
...
..
................
.....
.. ...
................
... ..
DID
Type
..
..
..
.........
...
.... ....
..
....
..
..
..
..
...
...
..
.
520 VL 2
Dimensions
... . .
. .
.
. . . . .
.
.
.
.
. .
.
.
...
.
..
..
..
.
..
..
.
...
.
.
.
I
I
4"x5/8"
N
°
links
..
..
..
.
.. .. ..
.
. .
..
..
.
.
.
.
.
. . .
..
.
..
..
.
..
..
..
..
.
..
.
96
!
98
Final
drive ratio
(pinion
·
crown).
.
...
.
....
.
..
..
.
.
15/37
BRAKES
Front
Floated
drilled disc type,
bi-metall
ic (n°2 for
900
S.S.
and n°
I for
750
S.S.).
Disc
dio.
. ..
.. .... ....
....
..
..
.........
....
..
..
....
...
...
..
.....
....
12.6 in.
Hydraulic
lever
control on
the
R/H
side of
handlebar.
Braking surface
.. ..
..
...... ..... .....
...
. ...
13.64 sq
.
in.
Broke
cali
pers
750 S.S.
900 S.S.
Make
.
.. ..
.
.
..
..
.
. ..
..
.. ..
.
.. .
.. .
. .
.
BREMBO
Type
.
.
.. . ..
.. ..
..
.
..
..
.. ..
... ..
..
..
..
..
..
.
..
P4
30/34
:
P4
32d
j
(Up
To
1600)
P4 30/34
(From
1601}
Pump
type
. ..
..
.
..
..
..
..
.
..
..
..
..
.
..
.
.
..
PS
1 3
i
PS
15
Friction
material.. .
.
..
.
..
. ..
.. ..
..
..
.
..
..
.
..
FREN-DO
965
Rear
Fixed
and drilled disc
in
steel.
Disc
diameter
..........
.....
.........
....
.....
...
....
....
.....
....
...... 9 .64
in.
Hydraulic
pedal
control
on
the R/H side
of
the
bike.
Braking surface..
....
..
...
...
..
. .. ............ ...
....
.....
.
4
.
123
sq.
in.
Broke
caliper:
Make
....... ..
.. .......
.
.
..
..
..
..
..
..
..
...
BREMBO
Type
.....
..........
....
.....
....... ...
........
..
..
..
.......
......
...
...
.. P21
05N
Pump
type
.
.
..
..
.
..
.
.
.
.
........
.........
.
PS
1
1
Friction material
..
..
.
...
......
..
........
....
..
..
...
FREN-DO FD
72
GG
FRAME
The
frame
is
a tubular
type with
Chrome-Molybdenum
steel
trestle.
Sleeve
inclination
(moto rbike
without pilot)
.
.
..
25°
Steering
ang
le
(each
side}
.
.
. . .
.
.
. .
.
.
.
. . .
.
.
. .
.
.
. ..
..
.....
...
.
...
....
..
.
25°
Forward
stroke .
.
.
..
.. .. ..
..
.
.. .
..
.
.
..
.
.
...
..
..
..
....
..
4.055
in
SUSPENSIONS
Front
750 S.S. 1900 S.S.
Oil-dynamic fork with
overturned legs
and
w
ith
outer broke
setting
system
of
rebound, compression
and spring
preload
(900
S.S.).
Make
..
...
..
....
..... .....
...
....
...
....
... .....
..
...
...
SHOWA
Type
...
..
.......
.....
...
.....
...
...
......
....
GD03
1 I
G
D011
Barrel diameter:
in. ..
..
..
..
..
....
.....
....
..
...
.. ...
1 .614
Stroke:
in.
.
. . . . .
.
. . . .
.
.
.
.
.
.
.
.
.
.
.. ..
.. .. ..
..
.
.
..
..
..
. ..
.
4
.724
Oil
quantity
each
leg
:
cu.in.
...
..
...
..
...
27.87
i
26.84
Oil
level
to the
barrel:
in.
...
.
......
....
..
......
....
3.126
I
4.252
Rear
Swinging
arm
in
aluminium
1
w
ith
adjustable
oil-pneuma tic
mono·
damper
during
rebound and
compression
.
Make
.....
..
.....
... .....
..
....
..............
..
..
SHOWA
Type
.....
.
.. ..
..
....
..
...
......
.....
......
...
.......... GD 022-007-QX
Stroke
.. ..........
...................... ....
.....
..
.........
..
......
...
.
2
.56
in
The
fork
rota tes
a round
a
journal
passing
through
the engine;
this
configuration
makes
the
motorcycle
more
sturdy.
WHEELS
Light-alloy
rims w
ith
three
spokes.
Front
750 S.S. 900 S.S.
Make
.
.
. .
.
.
.
.
.
.
.
. .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. .
.
.
.
.
.
.
.
.
.
.
.
.
.
BREMBO
Dimensions .
..
.
.. ..
.. .
..
.
..
..
..
.
..
....
..
...
3
.
SOx
1
7"
i
3
.
SOx
17"
Rear
i
Make
.
.
. .
. .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. .
. .
.
.
.
.
. .
.
.
.
.
.
. .
.
.
.
.
.
. .
.
.
.
.
.
.
BREMBO
Dimensions
.........
..
....
....
4.
50x
17 "15 .50x 17"
Wheels
ore
of
removable-pin
type.
The
rear
wheel
is
fitted with a special flexible
coupling
.To rem
ove
it
first
toke
out
the
cha
in.
TYRES
Front
750 S.S.
j
900 S.S.
Radial
"tubeless" type
.
i
Make .
.
. .. ..
.
.
.. .
.
..
.
..
..
..
.
.
..
.. ..
.
..
.
..
M ICHELIN
Type
..
..
. .
.
.
.
.
.
..
.
..
.
.. ..
.. ..
..
..
..
...
..
..
..
..
...
.
A59X
1
A59
Dimensions
...
..
.....
....
.
..
...
..........
.....
..
....
..
.
120/
6(}
17!
120/ 70-17
Rear
I
Radial "tubeless"
type.
Make
..
..
.
..
. ..
.
..
..
..
. ..
.. ..
..
..
.
..
..
..
..
..
..
.. ..
..
. ..
..
MICHELIN
Type
.
.
. . . .
.
.
. .
.
.
.
...
.
.
.
.
.
.
..
. .
. .
. .
. .
..
. .
.
.
.
.
.
.
.
.
.
.
. .
.
.
. . .
M59X
I
M59
Dimensions .....
.....
..
.. ............
... ......
.....
.....
160/ 6(}
17 170/ 6(} 17
A.9

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