APRILIA V990 Manual page 19

V990 engine
 4%#(.)#!, 30%#)&)#!4)/.3
ENGINE
Model
Type
Number of cylinders
Total displacement W w ('98 – '99 – 2000 models) ñ
Total displacement W w (models starting from 2001) ü
Total displacement å
Max. rated power (to driving shaft)
Max. rated power (to driving shaft) W w f
Max. rated power (to driving shaft) ñ f
Max. torque
Max. torque W w f
Max. torque ñ f
Bore/stroke
Compression ratio W w ñ
Compression ratio å
Compression ratio ü
Average piston speed
Camshaft during intake stroke W w ('98 – '99 – 2000 mod-
els) ñ
Camshaft during intake stroke W w (models starting from
2001)
Camshaft during intake stroke å
Camshaft during intake stroke ü
Camshaft during exhaust stroke W w ñå
Camshaft during exhaust stroke ü
Valve advance (with valve clearance 1mm) W w ñ
Valve advance (with valve clearance 1 mm) W w ñ
(models starting from 2001)
Valve advance (with valve clearance 1mm) å
Valve advance (with valve clearance 1mm) ü
Valve clearance during intake stroke
Valve clearance during exhaust stroke
Diameter of the inlet valve plate
Diameter of the exhaust valve plate
# Engine revolutions at minimum rpm W w ñ å
# Engine revolutions at minimum rpm ü
# Engine revolutions at peak rpm W w ñ
# Engine revolutions at peak rpm å
# Engine revolutions at peak rpm ü
Ignition
Starting
Release 01/2001-10
TECHNICAL INFORMATION
V990
60° longitudinal V-type, two-cylinder, 4-stroke, with 4
valves per cylinder, DOHC.
2
997.6 cm#
998 cm#
997.62 cm#
86.5 kW (118 HP) at 9250 rpm
70 kW (94 HP) at 9250 rpm
77 kW (104 HP) at 9250 rpm
96.5 Nm (9.65 kgm) at 7250 rpm
82 Nm (8.2 kgm) at 7000 rpm
90 Nm (9.0 kgm) at 7000 rpm
97 mm/67.5 mm
11.4 ± 0.5 : 1
11.8 ± 0.5 : 1
10.4 ± 0.5 : 1
22.5 m/s at 10000 rpm
262°, valve lifting= 10.60 mm
262°, valve lifting= 11.40 mm
259°, valve lifting= 10.60 mm
242°, valve lifting= 9.50 mm
259°, valve lifting= 10.60 mm
242°, valve lifting= 9.50 mm
opening during intake stroke = 20° before TDC
closing during intake stroke = 62° after BDC
opening during exhaust stroke = 64° before TDC
closing during exhaust stroke = 15° after BDC
opening during intake stroke = 25° before TDC
closing during intake stroke = 59° after BDC
opening during exhaust stroke = 65° before TDC
closing during exhaust stroke = 15° after BDC
opening during intake stroke = 20° before TDC
closing during intake stroke = 59° after BDC
opening during exhaust stroke = 64° before TDC
closing during exhaust stroke = 15° after BDC
opening during intake stroke = 25° before TDC
closing during intake stroke = 37° after BDC
opening during exhaust stroke = 57° before TDC
closing during exhaust stroke = 5° after BDC
0.12 – 0.17 mm
0.23 – 0.28 mm
36.0 mm
31.0 mm
1250 ± 100 rpm
1200 ± 100 rpm
10250 ± 100 rpm
10500 ± 100 rpm
9000 ± 100 rpm
electronically controlled
electric
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