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Introduction
The 2012 KX™450F highlights
begin with the Supercross winning DNA of last year's bike. The
advanced design of the aluminum perimeter frame and dominating
motor received a host of refinements to create a more compact
and mass-centralized chassis propelled by more useable power
than ever. Headlining the technological charge, the KX450F features
an all new Launch Control Mode, which changes DFI settings with
the push of a button to maximize traction out of the starting
gate. This is accomplished without sacrificing any of the mid-range
grunt or straight-line speed that made the KX450F famous.
No other production motocrosser offers a higher degree of adjustability
to the rider interface or engine character than the new 2012
KX450F. With a choice of four different handlebar positions,
two footpeg positions, and two optional plug-in DFI settings
(plus virtually unlimited DFI mapping capabilities with the use
of Accessory Kawasaki Racing Software Kit) thanks to its
advanced Digital Fuel Injection (DFI®) system the KX450F
is uniquely able to adapt to changing track and surface conditions
and meet the needs of a surprisingly wide range of riders.
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Features
Key Features
· Improved top-end power
and a wider powerband
· New four-way adjustable bar position
· Footpegs adjustable to two different positions, accommodating
taller riders
· New frame features slimmer midsection
· Upgraded transmission for easy, reliable shifting and
greater durability
· All-new Launch Control Mode increases the chance of
nailing the holeshot
· Switching pre-programmed ignition maps as easy as changing
DFI wire coupler caps, no PC required
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Technical Specifications
Engine Liquid-cooled, four-stroke
single with DOHC and four-valve cylinder head
Displacement 449cc
Bore x stroke 96.0 x 62.1mm
Compression ratio 12.5:1
Fuel System 43mm Keihin throttle body
Ignition Digital DC-CDI
Transmission Five-speed
Rake / trail 26.9 degrees / 4.4 in.
Rear suspension / wheel travel Uni-Trak® linkage system and
Kayaba shock with 50mm piston, 22-position
low-speed and stepless high-speed compression dampning, 22-position
rebound
dampening and fully adjustable spring preload / 12.4 in.
Front tire size 80/100-21
Rear tire size 120/80-19
Front brakes Single 250mm petal disc with dual piston caliper
Rear brakes Single 240mm petal disc with single-piston caliper
Overall length 85.8 in.
Overall width 32.3 in.
Overall height 50.2 in.
Wheelbase 58.3 in.
Ground clearance 13.0 in
Seat height 37.6 in.
Curb weight 249.1 lbs.
Fuel capacity 1.64 gal.
Color Choices Lime Green
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