The Suzuki RM-Z450 is a full-on racing motorcycle, designed for supercross and motocross

The suggested MSRP for the 2009 RM 450 is $7,899

It’s engine features include:

An 18-pin magneto-rotor that senses feedback on crankshaft position, rotation speed and stroke. This iis fed back to the ECU to calculate optimum injection & ignition timings

Five speed gearbox

It’s one of the few bikes on the race track with fuel injection that features a single-phase, all-charging system – the magneto supplies all of the power required

The 2009 Suzuki RM 450 combustion chamber has been designed for strong low-to-mid range, as well as top-end pull. Narrower intake & exhaust valve angles. Cylinder squish areas improve air/fuel mixing and faster flame propagation speed

Electronic Fuel Injection offers better roll on power and strong low-to-mid range power. KEIHIN throttle body specifically designed for motocross and supercross. Fuel is delivered via an internal fuel pump

Intake port angle & cam timing result in reduced intake resistance, and heightened intake efficiency. Exhaust port & 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 fuel injection system

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

It’s chassis features include:

Two-tone molded-plastic radiator shrouds give the 2009 Suzuki RM-Z450 a slim feel and stylish look, while also complimenting an all-new graphics design

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

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 heightened 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 allows the rider to control the bike effectively

Here is more info on the 2009 Suzuki RM-Z450 Racing Motorcycle

Brakes Front    Disc brake

Brakes Rear    Disc brake

Color    Solid Black/Champion Yellow No. 2

Curb Weight    112 kg (247 lbs)

Final Drive D.I.D 520MXV, 114 links

Fuel Tank Capacity    6.2 L (1.6/1.4US/Imp gal)

Ground Clearance 350 mm (13.8 in)

Overall Length 2185 mm (86.0 in)

Overall Width 830 mm (32.7 in)

Seat Height    955 mm (37.6 in)

Suspension Front Telescopic, coil spring, oil damped

Suspension Rear Link type, coil spring, oil damped

The fuel injection is something relatively new to motocross and supercross racing. And Suzuki, with this model, was the first to really bring it to the mainstream public. In riding the bike, it’s smooth, and efficient. Very nice!


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