2010 Suzuki RM-Z450


Two years ago, Suzuki stunned the world with the first fuel-injected motocross racebike. It was more than unique… it was a winner. Around the globe, the RM-Z450 helped racers collect wins and trophies, fiercly competing in venues from the World MX1 series to America’s AMA Supercross championship.

Now the question: Is there any way to improve on this incredible success? Sure there is. But you have to be Suzuki to do it.

Take a look at the 2010 RM-Z450, a thoroughly updated, cutting-edge open-class motocrosser that’s more potent than ever. Across-the-board engine upgrades boost power from awesome to awe-inspiring. Detatiled frame and suspension modifications improve an already sharp-turning racebike. 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 whose racing pedigree enables it to be competitive right out of the crate.

Key Features

•  Radiator Shrouds – 2-tone molded-plastic radiator shrouds give the RM-Z450 a slim feel and stylish look while also complimenting an all-new graphics design and color scheme

•  Aluminum fuel tank houses a KEIHIN fuel pump for optimum performance and a factory bike look

•  Aluminum-alloy swingarm for reduced weight and maximum terrain-traversing performance over bumps

•  Combustion chamber designed for strong low-to-mid range response as well as top-end pull. Narrower intake and exhaust valve angle guides along with increased squish areas improve air/fuel mixing and faster flame-propagation speed when mixture ignites

•  KEIHIN EFI Unit – Electronic fuel injection provides more acceleration power at low and medium rpm

•  Footpegs include maximum clearance between the mounting bracket and footrest to prevent mud from caking up

•  Gold-colored chain and axle blocks give a full factory look

•  Hot start lever is located on the right hand side of the handlebar for easy operation while holding the clutch

•  Race Inspired brakes – Race inspired brake rotors provide better cooling performance and increased mud deflection in muddy conditions

•  Showa Front Fork – Showa cartridge-style front fork is fully adjustable for rebound, compression and preload settings and designed for reduced weight and improved shock absorption

•  Slim Riding Position Slim Riding Position – Slim riding position opens up the cockpit for additional room to allow the rider to actively take control of the machine

Features

•  The cam chain tensioner provides enhanced performance

•  The RM-Z450’s electronic fuel injection is improved with a reversed throttle valve movement.The fine fuel-air mist from the 12-hole fuel injector is directed away from the throttle valve for a more uniform mixture producing increased power and enhanced throttle response.

•  The RM-Z450’s twin-spar aluminum alloy frame has received detail improvements to optimize rigidity balance. It starts with the head stock, which is now a two-piece design that’s 9mm taller than before. Further back, the sections at the rear of the frame, which are made up of extruded and cast members, are now wider for increased rigidity. More strength comes from a wider upper frame bridge beneath the saddle, while material wall thickness was strategically designed to save weight.

•  A combination of revised cam profiles and reworked cylinder-head porting give the RM-Z450 amazing idle-to-redline thrust.

•  For 2010, both ends of the bike are given suitably revised spring and damping rates—the new rates work together with the chassis’ optimized rigidity balance to improve handling.

•  A modified throttle linkage makes the low-speed response more progressive.

Engine Features

•  18-pin magneto-rotor senses feedback on crankshaft position, rotation speed and stroke which is fed back to the ECU to calculate optimum injection and ignition timings.

•  5-Speed Transmission makes the RM-Z450 versatile for various terrain conditions and features a link type shifting mechanism

•  Battery-less fuel injection system features a single-phase all-charging system with which the magneto supplies all of the necessary power

•  Combustion chamber designed for strong low-to-mid range response as well as top-end pull. Narrower intake and exhaust valve angle guides along with increased squish areas improve air/fuel mixing and faster flame-propagation speed when mixture ignites

•  Electronic fuel injection provides more acceleration power at low and medium rpm

•  Intake port angle and cam timing result in reduced intake resistance and heightened intake efficiency. Exhaust port and cam timing are designed to regulate exhaust pulses for maximum engine performance

•  KEIHIN fuel pump located inside the fuel tank provides stable pressure delivery to operate the fuel injection system

•  Semi-dry-sump lubrication system features separate oil chambers for the transmission and crankshaft using the transmission as the oil sump, allowing low crankshaft placement, reduced engine height and a low center of gravity

Chassis Features

•  2-tone molded-plastic radiator shrouds give the RM-Z450 a slim feel and stylish look while also complimenting an all-new graphics design and color scheme

•  Aluminum fuel tank houses a KEIHIN fuel pump for optimum performance and a factory bike look

•  Aluminum-alloy swingarm for reduced weight and maximum terrain-traversing performance over bumps

•  Aluminum-alloy twin spar frame is lightweight and has optimum rigidity balance for incredibly agile handling and unmatched performance over bumps

•  Footpegs include maximum clearance between the mounting bracket and footrest to prevent mud from caking up

•  Front fender incorporates a sloped-down shape to efficiently guide wind to the front number plate air ducts for improved cooling performance. Rear fender incorporates air intakes on both sides for heighten intake efficiency

•  Gold-colored chain and axle blocks give a full factory look

•  Hot start lever is located on the right hand side of the handlebar for easy operation while holding the clutch

•  Race inspired brake rotors provide better cooling performance and increased mud deflection in muddy conditions

•  Showa cartridge-style front fork is fully adjustable for rebound, compression and preload settings and designed for reduced weight and improved shock absorption

•  Showa-brand rear shock absorber designed to deliver a controlled feel and increased bottoming resistance

•  Slim riding position opens up the cockpit for additional room to allow the rider to actively take control of the machine

USA Specifications

2010 Suzuki RM-Z450
MSRP: $8,099 USD

Engine

Bore Stroke: 96.0 mm (3.780 in) x 62.1 mm (2.445 in)

Compression Ratio: 12.2:1

Engine: 4-stroke, liquid-cooled, DOHC

Fuel System: Fuel injection

Ignition: Electronic ignition (CDI)

Lubrication: Suzuki Advanced Sump System

Starter: Primary kick

Chassis

Curb Weight: 112 kg (247 lbs)

Final Drive: Chain

Fuel Tank Capacity: 6.2 L (1.6 US gal)

Ground Clearance: 325 mm (12.8 in)

Overall Length: 2190 mm (86.2 in)

Overall Width: 830 mm (32.7 in)

Seat Height: 955 mm (37.6 in)

Suspension Front: SHOWA 47mm telescopic, pneumatic/coil spring, oil damped

Suspension Rear: Swingarm, link type, SHOWA piggyback-reservoir shock

Tires Front: 80/100-21

Tires Rear: 110/90-19

Transmission: 5-speed constant mesh

Wheelbase: 1495 mm (58.9 in)

Brakes Front: Disc brake

Brakes Rear: Disc brake

Curb Weight: 112 kg (247 lbs)

Final Drive: Chain

Fuel Tank Capacity: 6.2 L (1.6 US gal)

Ground Clearance: 325 mm (12.8 in)

Overall Length: 2190 mm (86.2 in)

Overall Width: 830 mm (32.7 in)

Seat Height: 955 mm (37.6 in)

Suspension Front: SHOWA 47mm telescopic, pneumatic/coil spring, oil damped

Suspension Rear: Swingarm, link type, SHOWA piggyback-reservoir shock

Tires Front: 80/100-21

Tires Rear: 110/90-19

Transmission: 5-speed constant mesh

Wheelbase: 1495 mm (58.9 in)

Color: Solid Black/Champion Yellow

For more discussion on the RM-Z450 go to link

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Rating: 7.8/10 (25 votes cast)
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Rating: +9 (from 15 votes)
2010 Suzuki RM-Z450, 7.8 out of 10 based on 25 ratings
1 Comment
  • sedplata
    December 26, 2009
    #1
    VA:F [1.9.22_1171]
    Rating: 4.5/5 (4 votes cast)

    I want to quote your post in my blog. It can?
    And you et an account on Twitter?

    VA:F [1.9.22_1171]
    Rating: 4.5/5 (4 votes cast)
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    Rating: +1 (from 7 votes)
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