It still handles predictably, it still has excellent suspension and it still has a sweet power delivery that anyone can appreciate. Specifications. Coupler/ECU Setting: The engine on the 2021 KX450 in stock is smooth off the bottom and easy to ride, but does have a little dip from mid to top, so I created this map to help fill that dip in and make it pull slightly longer. Low Speed Compression: 16 clicks out. In the end, we weren’t especially surprised that the Kawasaki KX450 emerged as the top pick. The 2021 Kawasaki 450X has excellent chassis, just like the KX450 we recently tested. With more Supercross and Motocross championships than any other manufacturer, the KX name is synonymous with winning. The KX450 motorcycle represents the flagship of the KX lineup, built with the sole purpose of dominating the track. 2021 Kawasaki KX450 THE BIKE THAT BUILDS CHAMPIONS. I didn’t lose mid to top end pulling power with the black coupler (compared to the the white one), but I could ride the KX450 … High Speed Compression: 1 1/8 turns out. For 2021 the KX450 receives engine updates for increased performance, a new coned disk-spring hydraulic clutch, and a new 1-1/8” Renthal Fatbar handlebar. FIRST PLACE: KAWASAKI KX450. The all-new 2021 KX450XC has been designed as the flagship model of the KX XC lineup. Price. The KX450 is built with race-winning components to help Kawasaki riders get to the top step of the podium. 2021 Kawasaki KX450 Specs. Having spent time on the motocross version, I already knew the 450X would be a great handling bike. The 2021 KX450’s mid range has a nice amount of meat and the smoother pulling power of the top end/over-rev is noticeable on longer straights. 2021 Kawasaki KX450. 2021 Kawasaki KX450 Chassis/Handling “In regard to the combination of handling characteristics, chassis flex, and the overall ergonomics package, the KX450 … These are based on the latest 2021 KX450 and KX250 models (which includes a full redesign of the 250) and follow Kawasaki Team Green’s re-entry into the off-road racing game in 2019. The 2021 KX™450 engine offers increased performance and delivers broad, useable torque and strong, responsive power across the rev range. The 2021 Kawasaki KX450 and all other motorcycles made 1894-2021. So, in my opinion, the 2021 model is a better bike for sure, not by much but it certainly has got better in the right areas. Me riding a utility fourwheeler at about40 mph and my buddy austin flying by me about 90 mph! Rebound: 10-11 out. Pictures. Discussions. Engine Type DOHC, four-valve Displacement 449cc Bore & STROKE 96 x 62.1mm Cooling Liquid Compression ratio 12.5:1 FuelLing Keihin 43mm EFI Tank capacity 6.2L Transmission Five-speed, constant mesh Whether in the woods, desert, or cross-country the KX450XC is a … From the starting gate to the finish line, this race-ready machine is built to stay ahead of the pack. It was our favorite 450 motocrosser in 2020 and it only got better.