Ducati 999R User Manual

E
82
Engine
Twin cylinder, four-stroke, 90° “L” type, longitudinal.
Bore:
104 mm
Stroke:
58.8 mm
Total displacement:
999 cu cm
Compression ratio:
12.3 ± 0.5:1
Max power at crankshaft (95/1/EC):
102 kW - 139 CV a 10.500 min
-1
Max torque at crankshaft (95/1/EC):
108 Nm at 8,000 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 rocker arms (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.
Desmodromic timing system (fig. 81)
1) Opening (or upper) rocker;
2) Opening rocker shim;
3) Closing (or lower) rocker shim;
4) Return spring for lower rocker;
5) Closing (or lower) rocker;
6) Camshaft;
7) Valve.
6
1 2 3
7
5 4
fig. 81

Ducati 999R Specifications

General

Transmission	6-speed
Frame	Tubular steel trellis
Bore x Stroke	104 x 58.8 mm
Power	140 hp (104 kW) @ 9750 rpm
Torque	108 Nm @ 8, 000 rpm
Rear Suspension	Öhlins fully adjustable monoshock
Front Brakes	Dual 320mm discs, 4-piston calipers
Rear Brakes	240 mm disc, 2-piston caliper
Fuel Capacity	15.5 liters
Fuel Injection	Electronic fuel injection
Front Suspension	Öhlins 43 mm fully adjustable upside-down fork