Bezeichnung: DS 450 Details
Beschreibung:
...
Alurahmen
ENGINE
Engine Type
Rotax® 4-TEC 449cc liquid-cooled 4-stroke
Head design
DOHC 4-valve head with high-flow "Durchzugskraft" design
Dual spark plugs
38 mm intake valves
31 mm Nimonic∞-alloy exhaust valves
Double return valve springs
Cylinder design
Aluminum cylinder with NiCaSil∞ electro-plated 97 mm bore
60.8 mm stroke
11.8 : 1 compression ratio
Piston design
Forged aluminum piston with low-friction coating
Induction
Large induction runner
Downdraft 46 mm throttle body
Straight manifold design with oiled foam filter in large 7.6 l air box
Fuel and Ignition Management
EFI
Siemens∞ VDO injector
32 MHz clock speed / 16-bit micro-controller
3D fuel and ignition mapping, with dynamic compensation
Idle air control valve for chokeless operation
Lubrication
Dry sump, external oil tank
Exhaust
High-flow stainless steel header and silencer with low
maximum backpressure (221 mBar @ 8,000 rpm / WOT)
Transmission
5-speed, manual clutch
Clutch
Heavy-duty, 9 friction plates, with DirectLink clutch mechanism
Starting System
Electric
----------------------------
ITP Holeshot SR
533 x 178R - 254 mm
21 x 7R - 10 po
ITP Holeshot SR
508 x 254R - 229 mm
20 x 10R - 9 po
Aluminium poli
1 839 x 1 168 x 1 064 mm
72,4 x 46 x 41,9 po
1 267 mm (50 po)
831 mm (33 po)
156 kg (345 lbs)
229 mm (9 po) sous le cadre / 132 mm (5,2 po) sous l'essieu arrière
11,5 L (3 US gal)



