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2016 KX450HGF



Plus taxes-fees.


KX design philosophy is simple: put mid-level to expert riders on the top step of the podium – and that is what the KX450F does best. Engine and chassis performance delivers what riders need to win. And complimenting this dominant performance, the KX450F is loaded with advanced technology with industry firsts that give riders an even greater edge.


Type4-stroke, Single
Bore and stroke96.0 x 62.1 mm
Compression ratio12.8:1
Valve systemDOHC, 4 valves
Fuel systemDigital fuel injection with 43 mm Keihin throttle body
IgnitionDigital DC-CDI
LubricationForced lubrication (semi-dry sump)
StartingPrimary Kick


Front: typeSingle semi-floating 270 mm petal disk
Front: calipersDual-piston caliper
Rear: typeSingle 240 mm petal disc
Rear: calipersSingle-piston caliper


Overall length2,195 mm
Overall width820 mm (32.3 in.)
Overall height1,290 mm
Wheelbase1,495 mm
Ground clearance345 mm
Seat height960 mm
Curb mass**108.7 kg
Fuel capacity6.3 litres


Transmission5-speed, constant mesh, return shift
Final driveChain
Primary reduction ratio2.727 (60/22)
Gear ratio: 1st1.750 (28/16)
Gear ratio: 2nd1.412 (24/17)
Gear ratio: 3rd1.188 (19/16)
Gear ratio: 4th1.000 (19/19)
Gear ratio: 5th0.875 (21/24)
Final reduction ratio3.846 (50/13)
ClutchWet multi-disc, manual


TypePerimeter, Aluminum
Wheel travel: front310 mm
Tire: front80/100-21 51M
Wheel travel: rear315 mm (12.4 in.)
Tire: rear120/80-19 63M
Caster (rake)28°
Steering angle (left/right)42°/42°


Suspension, frontø49 mm inverted telescopic Separate Function front Fork Air - Triple Air Chamber (SFF-Air TAC)
Suspension, rearNew Uni-Trak with adjustable dual-range (high/low speed) compression damping, adjustable rebound damping and ajustable preload

Launch Control Mode

In motocross racing, getting a good start is critical. A few tenths of a second can make the difference between getting the holeshot or not. In slippery conditions, getting the maximum drive from a motocrosser requires precise control of the both the clutch and throttle.

Launch Control Mode helps riders get a good start by complementing high-level technique with engine management. Featured on a mass-production motocrosser for the first time on Kawasaki's KX450F, the system activates a separate engine map designed to get a more efficient start off the line. The system is designed to the same specifications as that used by our factory racers competing in the AMA Supercross and Motocross championships.

Launch Control Mode is activated simply by pressing the button on the handlebar. The Launch Control map slightly retards ignition timing to help tame the engine's strong torque and reduce wheel spin off the start. Launch Control Mode is only active in the first two gears off the start, disengaging and returning to the standard engine map automatically once the rider shifts into 3rd gear. The system gives riders a great advantage when lining up at the gate and puts them in a better position to win.



Proper fit is key for rider comfort and control. However, the ideal fit varies from rider to rider, depending on their physical dimensions and riding style.
ERGO-FIT is an interface system designed to allow riders to find their ideal riding position. Various points of the chassis interface (the handlebar, footpegs and seat, etc) can be adjusted through a combination of interchangeable parts and parts with adjustable positions. This enables a wide range of riders to find a riding position that offers both comfort and control. Feeling at one with their machine, they will be able to experience how Kawasaki machines are fun and rewarding to ride.

*Adjustable parts and their range of adjustability vary by model.

Curb Weight: 108.7 kg
Condition:Brand New
Stock Number:KX450F
Transmission:5-speed, constant mesh, return shift
Engine Type:4-stroke, Single - 449cc
Fuel Capacity: 6.3 litres
Colour:Lime Green

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