Key performance

🔧
449 cc
Displacement
⚖️
109 kg
Weight
💺
955 mm
Seat height
6.2 L
Fuel capacity
💰
8 899 €
New price
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Technical specifications

Changements 2011 2016
Camshafts
2 ACT
Fuel system
Carburettor. 43mm Keihin throttle body Injection. DFI with 43mm Keihin throttle body
Frame
Backbone frame, high-tensile steel Aluminum perimeter
Front suspension
Uni-Trak linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression damping, 33-position rebound dampening and fully adjustable spring preload / 12.4 in. 48mm inverted, Kayaba PSF with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment
Rear suspension
Uni-Trak linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression dampening, 33-position rebound dampening and fully adjustable spring preload / 12.4 in. UNI-TRAK linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression dampening, 33-position rebound dampening and fully adjustable spring preload
Front wheel travel
315 mm (12.4 inches)
Rear wheel travel
315 mm (12.4 inches)
Front brakes
Single disc Single disc. Petal disc with 2-piston caliper
Rear brakes
Single disc Single disc. Petal disc with single-piston caliper
Front tyre
90/100-21 80/100-21
Seat height
960.00 mm 955.00 mm
Ground clearance
335.00 mm 330.00 mm
Length
2184.00 mm 2179.00 mm
Height
1280.00 mm 1275.00 mm
Fuel capacity
7.19 L 6.21 L
Weight
113.40 kg 108.70 kg
New price
8 899 €

Engine

Displacement
449 cc
Engine type
Single cylinder, four-stroke
Cooling
Liquid
Compression ratio
12.5:1
Bore × stroke
96.0 x 62.1 mm (3.8 x 2.4 inches)
Valves/cylinder
4
Camshafts
2 ACT
Fuel system
Injection. DFI with 43mm Keihin throttle body
Valve timing
Double Overhead Cams/Twin Cam (DOHC)
Ignition
Digital DC-CDI

Chassis

Frame
Aluminum perimeter
Gearbox
5-speed
Final drive
Chain   (final drive)
Front suspension
48mm inverted, Kayaba PSF with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment
Rear suspension
UNI-TRAK linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression dampening, 33-position rebound dampening and fully adjustable spring preload
Front wheel travel
315 mm (12.4 inches)
Rear wheel travel
315 mm (12.4 inches)

Brakes

Front brakes
Single disc. Petal disc with 2-piston caliper
Rear brakes
Single disc. Petal disc with single-piston caliper
Front tyre
80/100-21
Rear tyre
120/80-19

Dimensions

Seat height
955.00 mm
Wheelbase
1481.00 mm
Ground clearance
330.00 mm
Length
2179.00 mm
Width
820.00 mm
Height
1275.00 mm
Fuel capacity
6.21 L
Weight
108.70 kg
New price
8 899 €

Overview

The 2016 Kawasaki KX 450F is a declaration of war in aluminum and carbon. It is not a motorcycle; it is an instrument, a tool forged for a single task: to dominate a motocross circuit. At €8899, you are not buying a vehicle; you are investing in a competition weapon, the lightest in its class at 108.7 kg fully fueled. This figure is not a detail; it is the foundation of its character. A perimeter aluminum frame as thin as it is aggressive, a reworked 449 cc single-cylinder engine for breathing and response – everything has been put on a diet. The result is a machine that moves almost by thought, where every gram removed translates into a fraction of a second gained in direction changes.

Kawasaki KX 450F

Its heart, this four-stroke single-cylinder, is a study in brutal efficiency. With a bore of 96 mm and a compression ratio of 12.5:1, it is designed to deliver its power in a linear and controllable manner, a Kawasaki philosophy that has earned 32 AMA Supercross titles. DFI injection technology and an adjustable ECU, including a launch control, are concessions to modernity that allow you to adapt the engine's character to the conditions and the rider. The optional KX FI calibration kit even takes this personalization to the level of an official team. But the essential remains this feeling of constant propulsion, of available torque, which means that the KX 450F is never behind an intention.

The chassis is a sermon on precision. The 48 mm inverted Kayaba fork, with its DLC-treated tubes to reduce friction, and the Kayaba shock with its 50 mm piston, offer an almost intimidating range of adjustments – 22 positions of compression, 33 of rebound. This sophistication is not a luxury; it is necessary to master the violence of ruts and whoops. Petal disc brakes, with a diameter of 270 mm at the front, offer disproportionate braking power for such a light weight, a feel that allows for trajectory adjustments to the millimeter. The 80/100-21 and 120/80-19 tires are the final point of contact with earth that waits for no mistakes.

This Kawasaki KX 450F is a no-compromise machine for the competition rider. Its ergonomics, with a four-position adjustable handlebar and adjustable footrests, and its seamless seat facilitate body movements in combat. The 6.2-liter fuel tank and 330 mm ground clearance speak of intense but short sessions, of sprints where energy management is crucial. Its minimalist design, with a redesigned radiator and alumite green accents, is not a stylistic exercise but an affirmation of identity. It is compact, aggressive, ready.

Compared to its contemporary rivals, the Honda CRF450R or the Yamaha YZ450F, the Kawasaki stands out with this obsession with weight and this sophistication of settings. It requires a rider who knows not only how to push, but also how to analyze and adjust. It is not the easiest motorcycle; it may be the most precise. For the serious competitor, the one who aims for national championship podiums, it represents a tangible advantage. For the occasional rider, it would be overwhelming, too sharp, too demanding of attention. The 2016 KX 450F does not offer free pleasure; it offers the possibility of victory, and for its audience, that is the only sensation that counts.

Indicators & positioning

In category Cross / motocross · 225-898cc displacement (383 motorcycles compared)
Weight 109 kg Lighter than 53%
103 kg median 109 kg 132 kg

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