Motorcycle Types Adventure / Dual-Sport Dungey Rides the 2011 Suzuki RM-Z450

Dungey Rides the 2011 Suzuki RM-Z450

Motocross Video

Rockstar Makita Suzuki’s Ryan Dungey and his team prepare for the upcoming 2011 AMA / FIM Supercross season.

Check out this quick video update regarding pre-season testing on his Yoshimura-equipped 2011 Suzuki RM-Z450.

Rockstar Makita Suzuki’s Ryan Dungey and his Suzuki RM-Z450 are the current 2010 AMA Supercross and AMA Pro Motocross champions.

2011 Suzuki RM-Z450 | Key Features

For 2011, the RM-Z450 meets a stricter AMA noise limit (94db) while keeping smooth engine output.

  • Suzuki’s class-leading fuel-injection system uses technology from Suzuki’s championship-winning models-the GSX-R motorcycles and the QuadRacer R450 ATV.
  • The RM-Z450, the first motocross bike to ever use fuel injection, has won both outdoor championships as well as a Supercross championship.
    Engine Features
  • The RM-Z450’s 449cc four-stroke, liquid-cooled, DOHC, four-valve, fuel-injected engine was developed and refined to deliver phenomenal idle-to-redline thrust.
  • The lightweight, battery-less, motocross-use electronic fuel injection system uses progressive throttle linkage for efficient power delivery.
  • A 12-hole fuel injector delivers a fine fuel/air mist for efficient operation.
  • The Suzuki RM-Z450’s aluminum cylinder is treated with Suzuki Composite Electrochemical Material (SCEM) coating, and was built for durability, light weight and efficient heat transfer.

Transmission Features

  • A 5-speed transmission provides extra flexibility, offering gear ratios suited for various terrains and conditions.
  • The RM-Z450 has a link-type shifting system, which offers smooth transitions through the gears.

Chassis Features

  • The Suzuki RM-Z450’s slim chassis design makes for a comfortable riding position, opening up the cockpit to help allow the rider to actively take control of the machine.
  • Class-leading 47mm Showa inverted forks provide optimum wheel travel and are compression- and rebound-damping adjustable.
  • A Showa piggyback-reservoir rear shock with high/low-speed compression damping adjustment and rebound damping and spring preload adjustments.
  • The rear shock, working through Suzuki’s superlative rising-rate linkage system, provides 310mm of wheel travel, delivering maximum traction.
  • The Suzuki RM-Z450’s twin-spar aluminum frame and swingarm was developed and refined for a highly optimized balance between rigidity and superb high-speed traction.
  • The lightweight swingarm helps enhance terrain-traversing performance over bumps.
  • Race-inspired disc rotors offer enhanced cooling performance and efficient mud slinging.
  • A stylish two-tone radiator shrouds accentuate the RM-Z450’s agile looks.
  • The 2011 Suzuki RM-Z450 comes with a gripper seat, with projected cross-shaped patterns on the top surface to provide additional grip.

Ron Lieback
Ron Lieback
One of the few moto journalists based on the East Coast, Ron Lieback joined the motorcycle industry as a freelancer in 2007, and is currently Online Editor at Ultimate Motorcycling. He is also the author of "365 to Vision: Modern Writer's Guide (How to Produce More Quality Writing in Less Time).

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