2019 Kawasaki KX450JKF
The 2019 Kawasaki is all-new and the list of changes is much longer than what isn't new. The motor, frame, suspension, and bodywork are all new—pretty much the whole motorcycle!
The motor in the 2019 Kawasaki KX450 is completely new. With the changes the motor is also physically smaller and lighter. The cams are now finger-follower style that allows for higher revving. Last year's motor was good. It was extremely strong off the bottom end into a hard hitting mid range. For 2019, the KX450 is both easier to ride and faster!
At low rpm, the new KX450 pulls smoother with none of the previous harshness. From there, the transition into the mid range is seamless and it revs out much farther than before. In the whole rpm range, the motor has a freer revving feel. It doesn't feel as tight or harsh as the old motor. The powerplant almost feels like a smaller bore motor with the power of a larger motor. It is just plain easier to ride, which in turn lets you ride more aggressively going faster. This seems to be the direction most manufactures are going with 450s.
As with the KX450F in previous years, Kawasaki offers three couplers to change the power delivery of the new KX450. The three choices are based on terrain—Standard, Hard and Soft.
With the new motor, Kawasaki completely eliminated the kickstart to save weight and added a lightweight electric starting system. To put it simply the system, with a lithium-on battery, works perfectly. It always starts quick and easy.
Another major change comes is the new hydraulic clutch. For years the European manufactures have equipped their MX bikes with hydraulic clutches, while the Japanese have stayed with the old-fashioned cables, until now. This is a change that made a huge difference. While the clutch pull is only slightly lighter than the 2018, the overall feel and engagement point is much improved, and there is zero clutch fade. On the 2018, the clutch would start to fade pretty fast when its used heavily. That's not the case with the '19; the feel and engagement point always stays consistent.
With the new chassis and body work the 2019 Kawasaki KX450 has a smaller and lighter overall feel. That is primarily because it is lighter by nearly eight pounds—down to a claimed weight of 232 pounds wet, despite the addition of electric start.
The work Kawasaki and Showa put into the new fork is evident. They have excellent feel. Through all the small breaking bumps there is zero harshness, just plush absorption through the chop without it diving down into the stroke. On harsh landings or on hard G-outs there is zero harsh bottoming. Sure, it does bottom out and use the full stroke, as it should, and the feeling is just plush as it does so.
Overall, the new suspension has a slightly softer feel that is perfect for lighter riders. Even with that, our bigger test riders still felt both ends where excellent. The new Kawasaki KX450 carves corners like the 2018 never could, in part due to an all-new frame.
The 2019 Kawasaki KX450 is still extremely stable, in the rough fast sections of the track. Even while in the air moving the bike around is effortless. The KX still retains the adjustable peg mounts and adjustable handle bar mounts and just like in previous years the stock position is the most comfortable. Unless your extremely tall or short the optional positions just feel odd. The KX feels correct from the get go.
Braking received a needed improvement in the 2019. The new front master cylinder and larger rear disc get the KX450 stopped much better than before.
The Dunlop Geomax MX3S tires work well. They're pretty much the gold standard right now for most uses. Of course, you'll want to put on tires with a pattern optimized for the tracks you race on.
The 2019 Kawasaki KX450 could be the best 450 of the year. This one only has 3 hours of ride time, check out the pictures and watch the video, call us to own this new generation Kawasaki 450. Texas Best Used Motorcycles 817-985-8888
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