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TECHNICAL SPECIFICATIONS - CHASSIS 640 DUKE II 2003
Frame
Central chrome-moly-steel frame
Fork
type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WP 4357 ROMA 0518X732
wheel travel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 mm (5.5 in)
standard adjustment compression . . . . . . . . . . . . driver only = 14, with passenger = 14
standard adjustment rebound . . . . . . . . . . . . . . . driver only = 16, with passenger = 16
fork leg projection upper fork bridge . . . . . . . . . . 3 mm (0.12 in)
oil capacity per fork leg . . . . . . . . . . . . . . . . . . . . appr. 400 ccm (24 cubic in) / SAE 5
air chamber lenght. . . . . . . . . . . . . . . . . . . . . . . . 100 mm (4 in)
Rear suspension
WP central shock absorber with PRO-LEVER linkage to rear- swing-arm with needle bearing
Shock absorber
type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WP central shock absorber BAVP 4681 0118X728
rear wheel travel . . . . . . . . . . . . . . . . . . . . . . . . . 170 mm (6.7 in)
standard adjustment compression . . . . . . . . . . . . driver only = 3, with passenger = 5
standard adjustment rebound . . . . . . . . . . . . . . . driver only = 5, with passenger = 3
spring preload. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . driver only = 23 mm (0.9 in),with passenger = 28 mm (1.1 in)
spring type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 - 260
Front brake
Disc brake with carbon-steel floated brake disc Ø 320 mm (12.6 in) and 4-piston brake caliper
Rear brake
Disc brake with carbon-steel brake disc Ø 220 mm (8.7 in) and single-piston brake caliper floated
Tyres
front: 120/70 R 17 58H
rear: 160/60 R 17 69H
Air pressure rider only
2.0 bar (29 psi)
2.2 bar (32 psi)
Air pressure with passenger
2.2 bar (32 psi)
2.4 bar (35 psi)
Fuel tank capacity
11 liters (2.9 US gallons), out of this 2.5 liters (0.6 US gallons) reserve
Final drive ratio
16 : 38
Chain
X-ring 5/8 x 1/4"
Lamps
low beam . . . . . . . . . . . . . . . . . . . . . . . . . HB3 12V 65W (socket P20d)
high beam . . . . . . . . . . . . . . . . . . . . . . . . . HB3 12V 65W (socket P20d)
parking light . . . . . . . . . . . . . . . . . . . . . . . 12V 5W (socket W2,1x9,5d)
speedometer, tachometer light . . . . . . . . . 12V 1,2W (socket W2x4,6d)
indicator lamp . . . . . . . . . . . . . . . . . . . . . . 12V 1,2W (socket W2x4,6d)
stop and taillight . . . . . . . . . . . . . . . . . . . . 12V 21/5W (socket BaY15d)
flasher . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V 10W (socket Ba15s)
Battery
maintenance-free battery 12V 8Ah
Steering angle
63.5°
Wheel base
1460 ± 15 mm (57.5 ± 0.6 in)
Seat high
900 mm (35.5 in)
Ground clearance
270 mm (10.6 in)
Dead weight without fuel
149 kg (329 lbs)
Max. permissible front axle load
150 kg (331 lbs)
Max. permissible rear axle load
200 kg (441 lbs)
Max. permissible laden weight
350 kg (773 lbs)
