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59
E
Engine
Twin cylinder, four-stroke, 90° “L” type, longitudinal.
Bore mm:
88
Stroke mm:
61.5
Total displacement c.c.:
748
Compression ratio:
1:11.5±0.5
Max. power at crankshaft (95/1/CE) kW/HP:
78/106 at 11,000 rpm
Max torque at crankshaft (95/1/CE):
7.7 Kgm at 9,000 rpm
Max. rotation speed
11,500 rpm.
Important
Do not exceed specified rotation speed limits under
any running condition.
Timing system
Desmodromic
(type) with four valves per cylinder,
operated by eight rockers (4 opening rockers and 4
closing rockers) and two overhead camshafts. It is
operated by the crankshaft through spur gears, belt
rollers and toothed belts.
7
6
6
8
2
1
5
1
3
4
Desmodromic timing system
(fig. 45)
1) Opening (or upper) rocker.
2) Opening rocker shim.
3) Split rings.
4) Closing (or lower) rocker shim.
5) Return spring for lower rocker.
6) Closing (or lower) rocker.
7) Camshaft.
8) Valve.
Spark plugs
Make:
CHAMPION
Type:
A 55 V
fig. 45
Summary of Contents for 748R
Page 1: ...1 I DUCATI748R Libretto uso e manutenzione ProCarManuals com...
Page 2: ...2 I ProCarManuals com...
Page 69: ...1 E Owner s manual DUCATI748R ProCarManuals com...
Page 70: ...2 E ProCarManuals com...
Page 137: ...1 F Manuel d utilisation et entretien DUCATI748R ProCarManuals com...
Page 138: ...2 F ProCarManuals com...
Page 205: ...1 D Anleitungs und Instandhaltungsheft DUCATI748R ProCarManuals com...
Page 206: ...2 D ProCarManuals com...