Timing System; Fuel System - Ignition System - Ducati 748 monoposto strada Workshop Manual

GENERAL INFORMATION
-
-
110/04 3
9.0/0.15
9 0010.378
8]4/ 0.344
748 9 16 Limit Closing rocker:
Intoke: mm
"
Exhou>t: mm ,
"
fUEL SYSTEM · IGNmON SYSTEM
Make .
0 . 13+0 . 18 0 .0 5+0. 10 0. 20
0 0055.0oo61,O OOA.000 47 0.0019
""""" ' " 0 .0 8...0 . 13 1005...0 10 020
0.0075...0 .0082 0.006-.. 1 1 0067 0.0019
748 D IP.
I
Valve lift: 748 S.P. 916SJR./BI'./S 9 16 S.P.
MeolfJ red with clooro nce:
0
mm/io,
"l uke m.o/;n. 1 0.87/ 04 :>7
E xhau>t: mm/in 9.0/ 0.35
. W EBER
9 16 S.P.I 916
SIR•.
9 16 DIP./S - 748
Tyr<'. IA W. P8 I IA W 1.6 M
N> of iojeclo<' per cylirlder: 2
I
1 I
Th is i' on integroled '
y'le.o of 1 00
pJsed, sequential lype
for igni'ioo
a nd injec,joo monogemen'
The 'y.;lem eontrol, the injeco r> which have Iwo "a ble a peroling
'Iotes:
Open: the injeclor deliver> fuel:
CI<»e<!
1he ;njecror
doe,
noI
delive' luel
The campule. provides lor loel m elering byvarying injectioo durO I;OO ,
Engi""
I~ing
is
COnIrokd by
00
inclo.x::l ive-<!;scharge igi\i tion 'y;1em
coo' ;stiog
of
two coil, I""" percylinde'
I
Q
nd rebt ing power mod" Ie'
The model, w i l ~ lAW. 1.6 M '90ilioo ,yslem o,e equipped with 0
campule. wilh irrbuih powe r module
The monogemenl ' y,lemmoo ilor,
*' "
eoginethrough
0
give<l number
of
in pu ~
ccoreced
'0
Ihe relating >en IDr>, wilh eaeh ,en>Or carrying
oo!
a 'f'8Cilic lunction a imed al providing the lA W. compulerwith
detoiled info,-moijon aboul engine runoing condilion,
- The ••p.m. ,en>o' Iro" mils
0
sig nal
for
engine r,p,m, to be
de'erm;ned:
- TIle injection Hmi.g , e., o. provide'
0
, ig",,1
ro,
Ihe OCt ulule
lim;ng
cI injeclion
ond ig n'liorl;
- The model, w,th I.A.W. 1.6
M
ignllioo ' y,temu, e
0
. inSIe
'''"SCI'
lhal ca n geoerole a ' igooloccording
1 0
'-p.m. ond liming reia live
1 0
T, O,C..
- The
th.oIIIe
position
..,nsor geoera'e,
0
' igrlOl occording to
b.J~erlly
valve oogle;
~,
- The ob><>lute
pre""" "
, en>o' ge ne'O'e, a ,;gool oocordiog
1 0
enviroomento l preSS"'e :
- The coolant IempercllJre , en, o. gei\era'e' a ' ignal occording
'0
engine "'nniog 'empera'ure :
- The ai' Iemperolu' " , en, o, gene,ole, a st gnal oc<;arding
0
lhe
temperolJ'e
ol
iotake oir
111
order
1 0
op,i mi,e Ihi' ' y,tem, a con1rolS1rolegycolled
"AIft,/ N" ha,
been adop'ed. The 00,," ;npul' "",d by thesystem to ca"rro! ;njec'ion
and ,gnilion ole !h'oHle po,jtior, IAKol a nd engine '-p.m . (NI The re
a relubIe, ' Iored inIhe computer m emoryl1at relate eng,ne r
.p. m.
a od
th ro'lle po, itioo
1 0
su ita ble luel pul,e doral ioo . injecl;oo lim ing a nd
igni"oo oovar.ce.
n,.,
", I "", reselting Irom lile "All a i N" table, orc
a lso affecled by Ihe O lher input> lcoolont and oir IomfX'rotlJC€',
pre,sore,
OO1l€<y
vallogel..
0'
Ihe 'Y"em """ them
10
alter the
corroclio" factor> applied to , ome
vo""""
Then, odd i' i onol correc-
tion,are introduced lortha", ru "o'ngcondilions thar,equile f"llticulo '
,gnilion
or>d
luel ' upply monageme nl l>Uch
as
on '1o<Iing, or when
Ihrotlle i' bri ,k1y opened or ,hull.
Ad'a nce: """" " , " ..,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
0"
lfixed "p '" Q50 ' ,p,m" ave' lili ' r. p,m,
!he
compvle' var;e, odvar>ce
occardiog
°
!he
in pu ~
Irom the >en'or'l. "
S.P. I
STR./BIP.
0,2 110,2 1 1 0,2 1 1
"" 0,000 1 0.039 0,0081 0.039 0,000 10.039
Moo,.red with
cleo",,,,",
mm
W orking clooronce
of valve
toppets, w;th cold e ng;"".
muSl
be
Opening
.ocker:
748 9 16 Limit
Intoke : mm
0 13+0 .18 0 10+0 . 15 0. 05
In ", . , . " ,
00055+0,0C630.oo4+QooA7 OoolQ
Exhaust mm 0
18+0 .23
[ o 15+0 .20
0 .05
In , " " " " " " "
O.CQ75+0,00810.CO&-O,0C67 O ,oo IQ
The timing diog<om i' ,how-n below- 1 \IOltIe, ore meOS' J roo wi,h
cleara nce: 0.2 mm/0.00 8 in and 1 mm/ 0.039 in Be ll ten, ion
-",~ ing
wilh
tool
88765.0999 i' 11.51 :
748 916 748 ·916
S,P. S.P. STR'/S/BIP.
IM o ke
vdve:
mm/in. :333/ 1.299 0 34113 38 0 33/1.299
O pe", IB.T.D.C),
69' 1~
~ o
73° 153. 30" 1
u-
C1ose'lAB D.C) , 9 2° 7 1' 92" 7 1·
9~'
70"
Exha"' l voK<e mm/in :329/ 1 141 03 0/ 1 18 1 0 :>911.1 41
Ope"
IB,B ,O,C! , """ "" " 100-1 77' 100" 177'
8~'
1
ee-
C1o"" IA TD CI .
64' 1~2'
64 ° 42' 44
0
18°
TIMI NG SYSTEM
DE SMODR O/IAIC liming ' y,tem with Imr \IOlve' per cylinder, oper'
oted
by
eigh' 'ockers1
4 opening rockers and
4 ck>o;ng rocker' l
or>d
by
two
overhead cam, hoIl, .
II
i' operoled by
*' "
cro" kmo~
via
'f"."
9""r>, b<.1 1ro"", arid toothed bells,
The De<modromic Timing System
I )
Opeoing I"pperl rocker,
2) Uppei rocker , him .
31
Split ,ing'
41C"" ing 'ocker , him,
5)
R etu'n 'ping of
",we'
rocke'
6)
C""i ng Ik>werl rocker,
7)
Com,haf1
8)
V a""
ENGINE - 748 models
Bore mm/in.
5lro!:.emm/in, " ,."
Torol di,plocemer>l io eelcu.io..
Compression rolio "" .
IW:K
~r
lot c,ook,halll kW
[HPI .
ot ', p,m, "" "" " " , ..
M:,,- engine c p.m.
ENGINE -
9 16 model.
Bore
mm/io.
St<oke mm/io .
Tool d i ,pIoce, ner~ in cclcu .i n
Compres>;on 'olio
Mox, power
[01
c roo kmo~ ) kW 1 f-f' ) 96
0 1
'-p.m
Mox , e ngine r. p.m
A .t O