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Introducing the all-new RM-Z450, another step toward establishing
Suzuki's dominance in four-stroke motocross
racing. The RM-Z450 offers supremely balanced
performance - strong, controllable power
delivery complemented by extraordinarily
lightweight handling. In fact, the RM-Z450
is extremely lightweight - and it has
incredible performance to match. That
combination means you can launch out of
corners with breathtaking acceleration
and attack the nastiest sections of the
track with total confidence. The Suzuki
RM-Z450 is loaded with advanced technology
to make it remarkably easy to ride. Including
the Suzuki Advanced Sump System, the Suzuki
Active Vent System, lightweight and durable
titanium valves, hollow billet camshafts
and much more.
Compact 450cc, 4-stroke,
liquid-cooled, DOHC, 4-valve engine -
lightweight design with emphasis on broad
power delivery
Narrow cylinder head design featuring
shim-under-bucket valve train with titanium
valves for reduced reciprocating mass
and more stable high-rpm performance
Lightweight hollow-type
camshafts with carburized surface treatment
for durability and high lubrication
qualities - hollow design further contributes
to precise valve operation at all engine
rpm
Durable forged-aluminum
piston with tin plating and oil retaining
grooves to reduce friction and wear
Electro-plated aluminum
cylinder bore for increased durability
and heat transfer
Keihin FCR40 carburetor
with hot start system and a throttle-position
sensor linked to digital CDI ignition
Lightweight exhaust
system with titanium head pipe with
large-capacity stainless-steel secondary
pipe and aluminum muffler
Automatic decompression
system similar to RM-Z250 - simple lightweight
system designed for easy kick starting
and durable operation
Suzuki Advanced Sump
System - semi-dry-sump lubrication system
featuring separate crankshaft and transmission
oil chambers - permits low crankshaft
placement for reduced engine height
and low center-of-gravity
Suzuki Active Vent System
- one-way reed valve system between
crankshaft and transmission to reduce
crank chamber pressure and enhance piston
ring seal performance and overall engine
power
Four-speed transmission
for weight reduction and compact engine
size - allows clutch to be placed closer
to engine centerline to concentrate
engine mass and reduces crankcase area
required for transmission
Counterbalancer
shaft gear-driven off the magneto rotor
to reduce engine vibration without adding
to engine size or weight
Attractive aluminum
twin-spar frame designed for optimum strength,
rigidity and weight
Aluminum swingarm with tapered beam
design similar to RM250 - features cast-aluminum
cross beam to improve straight-line
performance RM250-type rear suspension
linkage - suspension load placed on
the swingarm instead of the frame to
reduce weight, and allows smoother movement
of the rear shock and linkage for improved
rear wheel traction
New lightweight chain
guide design similar to RM125/250 -
cutaway design reduces weight
Showa-brand cartridge-style
front fork with 47mm inner tube, plus
22-way compression damping, 20-way rebound
damping and 12.2 inches. of wheel travel
- internal structure similar to RM250
Showa-brand rear shock
absorber with large 50mm piston and
18mm inner rod for increased oil flow
and stable damping performance
Large 250mm front disc
brake designed for reduced weight and
high durability - includes Kevlar brake
hose for low expansion rate and improved
brake lever feel - rotor is mounted
at four points instead of six with new-type
shouldered bolts for a secure fit and
minimal weight Compact 240mm rear disc
brake with lightweight caliper body
similar to RM-Z250 - rotor is mounted
at four points instead of six with new-type
shouldered bolts for a secure fit and
minimal weight
New-style wheels, spokes
and spoke nipples designed for the best
balance of weight, rigidity and overall
wheel strength
New-style front and
rear wheel hubs designed for reduced
weight and added strength - provides
more rigid assembly when combined with
larger axle, new spoke design and wide
wheel bearing pitch
Specially-designed Bridgestone
tires with large contact patch for improved
traction and acceleration - 90/100-21
front, 120/90-19 rear - wider than competing
models without weight increase
Renthal tapered aluminum
handlebars with Renthal-labeled handlebar
pad - lighter than standard bars - rubber-mounted
to reduce vibration
Titanium footpegs designed
for high grip and minimal weight
Slim fuel tank shape
designed to blend with the seat and
radiator shrouds for easy rider movement
and weight transition
New-design rear fender
and frame covers with fresh air vents
for increased air flow to the carburetor
airbox
Shouldered aluminum
spacers for quick and secure mounting
of body work
| Engine: | 449cc, four-stroke, single-cylinder, liquid cooled, DOHC, 4-valve |
| Bore Stroke: | 95.5 x 62.8mm |
| Compression Ratio: | 12.1 |
| Fuel System: | KeihinT FCR40 |
| Lubrication: | Semi-dry sump |
| Ignition: | Digital AC-CDI |
| Transmission: | 4-speed |
| Final Drive: | #520 chain |
| Overall Length: | 2184 mm (86.0 in) |
| Overall Width: | 832 mm (32.8 in) |
| Overall Height: | 1270 mm (50.0 in) |
| Seat Height: | 995 mm (39.2 in) |
| Ground Clearance: | 350 mm (13.8 in) |
| Wheelbase: | 1486 mm (58.5 in) |
| Dry Weight: | 101 kg (220 lbs) |
| Suspension Front: | Telescopic, cartridge-type, 22 compression & 20 rebound settings, 12.2 inches, 310mm of wheel travel |
| Suspension Rear: | Link-type, spring preload fully-adjustable, 16 compression & 19 rebound settings, 12.2 inches of 310 of wheel travel |
| Brakes Front: | Single hydraulic disc |
| Brakes Rear: | Single hydraulic disc |
| Tires Front: | 90/100-21 51M |
| Tires Rear: | 120/90-19 57M |
| Fuel Tank Capacity: | 7.0 liter (1.8 gal.) |
| Color: | Yellow |
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