Chassis
- Overall Length 2190 mm (86.2 in)
- Overall Width 830 mm (32.7 in) Overall Height 1270 mm (50.0 in)
- Wheelbase 1495 mm (58.9 in)
- Ground Clearance 325 mm (12.8 in)
- Seat Height 955 mm (37.6 in)
- Curb Weight 113 kg (249 lbs)
- Transmission 5-speed constant mesh
- Final Drive Chain, DID520MXV4, 114 links
- Suspension Front Telescopic inverted, coil spring, oil damped
- Suspension Rear Swingarm, link type, coil spring, oil damped
- Brakes Front Disc brake
- Brakes Rear Disc brake
- Tires Front 80/100-21 51M, tube type
- Tires Rear 110/90-19 62M, tube type
- Fuel Tank Capacity 6.2 L (1.6/1.4 US/Imp gallons)
- Color Champion Yellow
- Engine 449cc, 4-stroke, liquid-cooled, single cylinder, DOHC
- Bore Stroke 96.0mm (3.780 in) x 62.1mm (2.445 in)
- Compression Ratio 12.5:1
- Fuel System New 12-hole fuel injector increases fuel atomization for better power delivery
- Starter Primary kick
- Lubrication Suzuki Advanced Sump System (SASS)
- Ignition Electronic ignition (CDI)
- Warranty No Warranty
source: http://suzukicycles.com/Product%20Lines/Cycles/Products/RM-Z450/2012/RMZ450.aspx?category=motocross#Specs
