Kawasaki KX450F 2011 vs. Yamaha YZ450F 2017

Kawasaki KX450F 2011

Yamaha YZ450F 2017
Overview - Kawasaki KX450F 2011 vs Yamaha YZ450F 2017
The Kawasaki KX450F model year 2011 and the Yamaha YZ450F model year 2017 are both motocross bikes designed for off-road racing. While they have some similarities in terms of engine and drive train specifications, there are also notable differences in their suspension, chassis, dimensions, and weights.
In terms of engine and drive train, both bikes have a single-cylinder, 4-stroke engine with a displacement of 449cc. They also have the same compression ratio of 12.5 and a kick starter. However, there are slight differences in the bore and stroke measurements. The Kawasaki KX450F has a bore of 96mm and a stroke of 62.1mm, while the Yamaha YZ450F has a bore of 97mm and a stroke of 60.8mm.
When it comes to suspension, both bikes feature upside-down telescopic forks in the front. However, the Yamaha YZ450F offers more adjustability with compression, preload, and rebound adjustments, while the Kawasaki KX450F only has compression and rebound adjustments for the front suspension. Both bikes also have adjustable compression, preload, and rebound settings for the rear suspension.

Kawasaki KX450F 2011
In terms of chassis, the Kawasaki KX450F has an aluminum frame with a perimeter design, while the Yamaha YZ450F also has an aluminum frame but with a twin tube design. The chassis design can affect the bike's handling and stability.
In terms of dimensions and weights, there are some notable differences between the two bikes. The Yamaha YZ450F has a longer wheelbase of 1480mm compared to the Kawasaki KX450F's 1280mm. The seat height of the Yamaha YZ450F is also lower at 965mm, while the Kawasaki KX450F has a higher seat height of 1480mm. The Yamaha YZ450F is slightly lighter with a curb weight of 112kg, while the Kawasaki KX450F weighs 113.4kg.

Yamaha YZ450F 2017
In terms of strengths, the Kawasaki KX450F 2011 is praised for its good overall package, strong front brake, stability, and precise, solid transmission. On the other hand, the Yamaha YZ450F 2017 is commended for having important parts as standard, a tuning app, great response, and a Nissin brake.
As for weaknesses, the Kawasaki KX450F 2011 requires obligatory support from a specialist dealer, which could be seen as a drawback. On the other hand, no weaknesses are mentioned for the Yamaha YZ450F 2017.
Overall, both bikes have their own strengths and weaknesses, and the choice between them would depend on the rider's preferences and priorities.
Technical Specifications Kawasaki KX450F 2011 compared to Yamaha YZ450F 2017
Pros and Cons in comparison
Pros and Cons in comparison
Kawasaki KX450F 2011

All in all, the KX 450 F from Kawasaki is a really good motocross bike. On the one hand, it shines with great performance for the ambitious. On the other hand, it also allows untrained hobby racers to have a really good day. The bike is very universal and can be adjusted to your needs, but also developed further with your own riding skills.
Yamaha YZ450F 2017

In the 1000PS Hardenduro Test 2018, our testers were completely impressed by the Yamaha models. This also applies to the Yamaha YZ 450 F. Yamaha offers a wide range of accessories for the enduro, with which the YZ 450 F can be tuned to meet any requirements. In addition, there is the Tuning App, with which the YZ 450 F can be adjusted via smartphone. But the Yamaha is also convincing without subsequent tuning. The engine and chassis have good responsiveness and the Nissin brakes also impress with their usual quality.
Price Comparison Avarage Market Price Kawasaki KX450F vs Yamaha YZ450F
There are a few key differences between a Kawasaki KX450F 2011 and a Yamaha YZ450F 2017. It takes less time to sell a Yamaha YZ450F with 43 days compared to 59 days for the Kawasaki KX450F. Since model year 2009 1000PS.de editors have written 20 reviews for the Kawasaki KX450F and 17 reviews for the Yamaha YZ450F since model year 2009. The first review for the Kawasaki KX450F was published on 6/16/2005 and now has more than 10,700 views. This compares to more than 2,500 views for the first review on Yamaha YZ450F published on 10/24/2005.