2011 Suzuki RM-Z450

For 2011 Suzuki has taken the reigning FIM/AMA Supercross Championship winning RM-Z450, and have fine-tuned it into an even more potent machine. The 2011 RM-Z450 has undergone numerous updates: it now meets a stricter AMA noise limit (94db) while keeping smooth engine output; the compression ration has been increased from 12.2:1 up to 12.5:1 for higher output; intake and exhaust timing has been changed for better engine feeling with lower noise output; and ECU settings have been updated for more linear acceleration and improved over-rev. In addition, Suzuki has also focused on making tuning and maintenance easier on the 2011 RM-Z450; two optional couplers come with the unit to change the EFI setting (richer and leaner), and a convenient fuel line cap is included for regular maintenance.
What you have with the 2011 RM-Z450 is a cutting-edge open-class motocross ride that’s more potent than ever. As a racer, you want quick, laser-accurate steering and confidence-inspiring high-speed handling in one package. And you want a high performance machine with a racing pedigree that enables it to be competitive right out of the crate. Here in the U.S. and around the globe, the RM-Z450 has helped racers collect wins and trophies, fiercely competing in venues from the World MX1 series to America’s AMA Supercross championship. It’s no secret that Champions Choose Suzuki!
Engine:
Displacement 449cc, 4-stroke, liquid-cooled, single cylinder, DOHC
Fuel System Suzuki fuel injection
Starter Primary kick
Ignition Electronic ignition (CDI)
Chassis:
Overall Length 2190 mm (86.2 in)
Overall Width 830 mm (32.7 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 US gallons)