The fifth generation of Suzuki’s cutting edge open class, championship-winning, 4-stroke motocrosser, the 2013 RM-Z450, has just been announced, packed with substantial upgrades to win bar-to-bar battles.
Chosen by champions like James Stewart, the 2013 RM-Z450 continues the legacy of its ground-breaking predecessors with significant engine upgrades, redesigned transmission, suspension changes and more.
The RM-Z450’s 449cc, 4-stroke, liquid cooled, DOHC, 4-valve, fuel-injected engine has been overhauled and refined to deliver phenomenal
idle-to-redline thrust with increased acceleration, faster throttle response and broader mid-range power and torque.
Developed and tested by factory race teams, the all-new piston is 13 per cent lighter and the piston pin has a Diamond-Like Carbon (DLC) surface treatment, which increases durability and lowers friction.
A new intake camshaft and updated electronics have been fitted to be in harmony with the new engine internals.
The all-new ECM has higher processing performance and delivers increased power with a new ignition coil resulting in optimised combustion efficiency and enhanced roll-on performance.
The RM-Z450’s all-new frame is 91 grams lighter with changes to the frame head, rails and down tube and a refined seat rail for rigidity and balance, contributing to increased stability and better handling.
To fine-tune fuel preferences to suit track conditions, two couplers are enclosed allowing the rider to easily change fuel settings between three fuel maps (lean, standard and rich) with the rich-lean coupler relocated for easier access and change without tools.
The redesigned exhaust system meets new FIM sound control regulations, a key goal of Suzuki engineers, thanks to a 50mm extension of the exhaust pipe and redesigned internal muffler parts, increasing bottom to mid-range power and torque, without compromising engine performance.
The RM-Z450 is now equipped with an all-new race-bred 48mm Showa Separate Function front fork containing the spring on the right leg, while the left leg incorporates the cartridge assembly to manage damping with the result being less friction, increased damping and an overall weight saving.
The all-new aggressive graphics accentuate the RM-Z450’s Black/Yellow livery and stylish new two-tone radiator shrouds are guaranteed to turn heads.
Motocross and supercross racers of the Suzuki RM-Z450 are also eligible to register for Suzuki’s Support Rider program, offering generous contingency payments on national and state championships.
The 2013 Suzuki RM-Z450 is due to arrive in Australia within the coming months and information on pricing will be available in due course.
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