Features
Engine Features
- Electronic Fuel Injection offers better roll on power and strong low-to-mid range power. KEIHIN throttle body specifically designed for motocross. Fuel is delivered via an internal fuel pump and is a battery-less system
- 5-Speed Transmission makes the RM-Z450 versatile for various terrain conditions and features a link type shifting mechanism
- 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
- Battery-less fuel injection system features a single-phase all-charging system with which the magneto supplies all of the necessary power
- 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.
- KEIHIN fuel pump located inside the fuel tank provides stable pressure delivery to operate the fuel injection system
- 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
- 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
- Aluminum-alloy twin spar frame is lightweight and has optimum rigidity balance for incredibly agile handling and unmatched performance over bumps
- Aluminum fuel tank houses a KEIHIN fuel pump for optimum performance and a factory bike look
- Slim riding position opens up the cockpit for additional room to allow the rider to actively take control of the machine
- 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
- Aluminum-alloy swingarm for reduced weight and maximum terrain-traversing performance over bumps
- 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
- 2-tone molded-plastic radiator shrouds give the RM-Z450 a slim feel and stylish look for 2009 while also complimenting an all-new graphics design and color way
- 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
- 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
Specifications
- MSRP: $7,899.00
- Engine: 4-stroke, liquid-cooled, DOHC
- Bore Stroke: 96.0 mm (3.780 in) x 62.1 mm (2.445 in)
- Compression Ratio: 12.2 : 1
- Lubrication: Semi Dry sump
- Overall Height: 1260 mm (49.6 in)
- Front Suspension: Telescopic, coil spring, oil damped
- Rear Suspension: Link type, coil spring, oil damped
- Front Brakes: Disc brake
- Rear Brakes: Disc brake
- Front Tires: 80/100-21
- Rear Tires: 110/90-19
- Fuel System: Fuel injection
- Ignition: Electronic ignition (CDI)
- Transmission: 5-speed constant mesh
- Final Drive: D.I.D 520MXV, 114 links
- Overall Length: 2185 mm (86.0 in)
- Overall Width: 830 mm (32.7 in)
- Seat Height: 955 mm (37.6 in)
- Ground Clearance: 350 mm (13.8 in)
- Wheelbase: 1480 mm (58.3 in)
- Curb Weight: 112 kg (247 lbs)
- Fuel Tank Capacity: 6.2 L (1.6/1.4US/Imp gal)
* Specifications and features are subject to change.
