These are the known mechanical and performance specifications for your 2017 Kawasaki KX 450F.
Basic Specs

Engine
Displacement449.00 ccm (27.40 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression12.8:1
Bore/Stroke96.0 x 62.1 mm (3.8 x 2.4 inches)
Valves/Cylinder4
FuelingInjection. 43mm Keihin throttle body
IgnitionDigital DC-CDI
Exhaust
LubricationForced lubrication, semi and #8209;dry sump
CoolingLiquid
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity6.21 litres (1.64 gallons)
Emissions
Chassis
Frame TypePerimeter, aluminium
Rake26.9°
Trail
Front Suspension49 mm inverted Separate Function front Fork Air - Triple Air Chamber (SFF-Air TAC). Compression damping: 22-way. Rebound damping: 20-way
Front Travel305 mm (12.0 inches)
Rear SuspensionUni-Trak. Compression damping: 19-way (low-speed), 4-turns or more (high-speed). Rebound damping: 22-way. Spring preload: Fully adjustable
Rear Travel305 mm (12.0 inches)
Seat
Seat Height950 mm (37.4 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,280 mm (50.4 inches)
Total Length2,195 mm (86.4 inches)
Total Width820 mm (32.3 inches)
Ground Clearance335 mm (13.2 inches)
Wheelbase1,495 mm (58.9 inches)
Dry Weight
Wet Weight108.8 kg (239.9 pounds)
Wheels & Brakes
Front Tire/Tyre80/100-21
Rear Tire/Tyre120/80-19
Front BrakesSingle disc. Petal disc with 2-piston caliper
Front Brake Diameter270 mm (10.6 inches)
Rear BrakesSingle disc. Petal disc with single-piston caliper
Rear Brake Diameter240 mm (9.4 inches)
Wheels
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