KX450 2020

THE LIGHTEST, FASTEST 450cc MOTOCROSSER 

KX design philosophy is simple: put mid-level to expert riders on the top step of the podium. This philosophy has not changed since the creation of the KX brand over

40 years ago. With 32 AMA Supercross titles to its credit, the most of any manufacturer, KX has a proven record of powering champions. Significant weight reduction to engine and chassis for 2016 makes the KX450F the lightest machine in its class. The resultant sharper handling is complemented by a slimmer chassis and an even more powerful engine, further increasing its circuit potential.

ENGINE
Type Liquid-cooled, 4-stroke Single
Displacement 449 cm3
Bore and Stroke 96.0 x 62.1 mm
Compression ratio 12.8:1
Valve system DOHC, 4 valves
Fuel system Fuel injection: ø43 mm x 1
Ignition Digital DC-CDI
Starting Primary kick
Lubrication Forced lubrication, semi-dry sump
DRIVETRAIN
Transmission 5-speed, return
Final drive Chain
Primary reduction ratio 2.727 (60/22)
Gear ratios: 1st 1.750 (28/16)
2nd 1.412 (24/17)
3rd 1.188 (19/16)
4th 1.000 (19/19)
5th 0.875 (21/24)
Final reduction ratio 3.846 (50/13)
Clutch Wet multi-disc, manual
FRAME
Type Perimeter, aluminium
Wheel travel: front 310 mm
rear 315 mm
Tyre: front 80/100-21 51M
rear 120/80-19 63M
Caster (rake) 28.0o
Trail 125 mm
Steering angle (left/right) 42o / 42o
SUSPENSION
Front ø49 mm inverted telescopic SFF-Air TAC
(Separate Function front Fork Air –
Triple Air Chamber) with adjustable
compression and rebound damping
Rear New Uni-Trak with adjustable dual-range
(high/low-speed) compression damping,
adjustable rebound damping and
adjustable preload
BRAKES
Front: Type Single semi-floating ø270 mm petal disc
Caliper Dual-piston
Rear: Type Single ø240 mm petal disc
Caliper Single-piston
DIMENSIONS
Overall length 2,195 mm
Overall width 820 mm
Overall height 1,290 mm
Wheelbase 1,495 mm
Ground clearance 345 mm
Seat height 960 mm
Curb mass 108.7 kg
Fuel capacity 6.3 litres
Buy For R119 995
Included Taxes & Checkup
Engine Liquid-cooled, 4-stroke Single
Fuel-capacity 6.3 litres
Displacement 449 cm3
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