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Ducati 1992 Superbike 851 Workshop Manual Page 23

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GENERAL
LUBRICATION
It is performed
by
means
of
a gear pump, suction filtering system,
by-
pass valve for pressure adjustment, interchangeable delivery cartridge
with
safety
valve for possible obstruction, low pressure indicator
located on dash board.
The system is also provided with a radiator
[S.P. '92 - S.P.S.)
for the
system oil cooling.
The system consists
of:
I) Oil sump vapors breather pipe firting
2) Oil inlet plug
3) Level indicator
4) Oil pump gears
5) Net filter
6) Pressure switch
7) Oil sump
8) Filter cartridge
9) Head oil delivery pipe
10) Horizontal head pipe fitting
I I) Vertical head pipe firting
12) Radiator
[S.P. '92 - S.P.S.)
S.P. '92
S.P.S.
Sup. '92
.....
Oil pressure control values:
Hot engine:
I 100+ 1300 r.p.m.
3500+4000 r.p.m.
3.30Ib./sq.in.
8.98 Ib'/sq.in.
5.51 Ib'/sq.in.
I 1.02 Ib'/sq.in.
Cold engine:
I 100+ 1300 r.p.m.
3500+4000 r.p.m.
S.P.S. - S.P.'92
i
Sup.'92
Circuit copacity:
0.88 Imp. Gall
I
0.77 Imp. Gall
Pump delivery: .............. 0.57 Imp. Gall/I
0
every 1000 r.p.m.
TRANSMISSION
MultiplECdiskdry clutch [8+7 with 14 friction surfaces for
Sup.'92
and
S.P.S.
supplied - 8+8 with 16 friction surfaces for
S.P.'92
and
S.P.S.)
controlled by on hydraulic circuit operated by a lever on the leh side
of the handlebar.
Transmission between engine and main shaft of gearbox with straight
toothed gears.
Ratio..
. ........ 62/31
6 ratios gearbox with constant meshed gears; the idle gears are
supported by roller cages, change kick to the left.
Gear ratios
I st speed.
2nd speed.
3rd speed ..
4th speed.
5th speed.
6th speed ...
, S.P.'92-S.P.S. -+_--'S,-=u"'p'-.'9:.::2=-----i
37
/15~O,084
37
/15~O,078
30/17~O,118
30/17~O,109
28/20~O,148
27
/20~O,142
26/22~O,176
24/22~O,176
24/23~O,199
23/24~0.200
23/24~O,
217
24/28~0.224
Transmission between gearbox and rear wheel through chain:
Make. .
.. ......... DID
Type. .
. ..... 520 VL 2
Dimensions.
. ... Iinks 106 1/ 4"x5/8"
Final drive ratio [pinion-crown): I
15/36
I
15/39
I
BRAKES
Front
Bimetallic, drilled floating double disk.
Disc diameter.
. ... 12.59 in.
Hydraulic control, lever on handlebar R.H. side.
Trade mark and model ofthe pump.
. .... BREMBOPS 16
Pump Iype ...
Pump cylinder diameter ..
Braking surface .
2-pistons broke caliper:
Trade-mark .
Type ..
Friction material .
Reor
Cast iron fixed disc type.
Disc diameter ."
Hydraulic contral, pedal on R.H
Braking surface .
Broke calipers:
Trade-mark.
Type ...
............ with separated Tank
. ............ 0.629 in.
13.64 sq.in.
. .. BREMBO
..... P4 .. 30/34 "Gold series"
. ... FREN-DO 965
9.64 in.
side
.412sq.in
.. BREMBO
. . P2.105N "Gold series"
Friction material ..
Pump Iype ...
. ..................... FREN-DO
FD 72
GG
. ................... PS II
Pump cylinder diameter.
. .... 0.433 in.
11

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