The biggest noticeable cosmetic change to the Kawasaki KX450F is the all-new styling of the front number plate and fender, as well as the white back fender and the engine appearance. The new ECU settings make the power delivery smoother from low to high rpm. In addition the piston and intake cams do a good job leveling out the power but still offer the large amounts of horsepower. Three different mapping couplers are offered again this year including the standard unit, a hard terrain coupler, and a soft terrain coupler. The Pneumatic Spring Fork which means that changing spring rate is no longer a hassle on the Kawasaki KX450F.
Bore & Stroke
Rake and Trail
Four-stroke single with DOHC and four-valve cylinder head
96.0 mm x 62.1 mm
DFI with 43 mm Keihin throttle body
26.9° / 4.4 in.
48 mm inverted, Kayaba PSF with DLC coated sliders, 22-position compression
UNI-TRAK linkage system and Kayaba shock with 50 mm piston
Single rigid-mount 250mm petal disc with dual-piston caliper
Single 240 mm petal disc with single-piston caliper
248.0 lbs. (Wet)