FIRST LOOK! 2011 SUZUKI RM-Z450 & RM-Z250

August 3, 2010
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2011 RM-Z250

For 2011 Suzuki has taken its potent RM-Z250, and have fine-tuned it into an even more capable machine. The 2011 RM-Z has seen numerous updates: it now meets a stricter AMA noise limit (94db) while maintaining smooth engine output; the intake and exhaust timing has been changed for better engine feeling with lower noise output; the exhaust pipe length has been changed for better engine feeling with lower noise; ECU settings have been updated for more linear acceleration and improved over-rev; and the radiator hose routing has been changed for more efficient cooling.

In addition, Suzuki has focused on improving operation and overall feeling (primarily in shifting and starting). The 2011 RM-Z250 features improved lubrication on the center of the clutch and counter shaft for better durability and improved clutch feel; an updated transmission (focusing on 3rd and 4th gear) provides improved durability; and the kick starting arm has been redesigned for improved starting.

And to cap off an already impressive ride, Suzuki has focused on providing easier maintenance features on the 2011 RM-Z250 as well. Updated wiring harness routing and a convenient fuel line cap for regular maintenance are two new features. And last, but not least, the RM-Z250 also features new graphics and number plates with a black background to conform to rules for competition numbers.

2011 RM-Z250 SPECIFICATIONS

Displacement: 249cc, 4-stroke, liquid-cooled, single cylinder, DOHC
Fuel System: Suzuki fuel injection
Starter: Primary kick
Ignition: Electronic ignition (CDI)
Overall Length: 2170 mm (85.4 in)
Overall Width: 830 mm (32.7 in)
Wheelbase: 1475 mm (58.1 in)
Ground Clearance: 345 mm (13.6 in)
Seat Height: 955 mm (37.6 in)
Curb Weight: 104.5 kg (230 lbs)
Transmission: 5-speed constant mesh
Final Drive Chain: DID520DMA2, 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: 100/90-19 57M, tube type
Fuel Tank Capacity: 6.5 L (1.7 US gallons)

2011 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 ratio 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.

2011 RM-Z450 SPECIFICATIONS

Displacement: 449cc, 4-stroke, liquid-cooled, single cylinder, DOHC
Fuel System: Suzuki fuel injection
Starter: Primary kick
Ignition: Electronic ignition (CDI)
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)

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