Yamaha WR450F 2017 vs. Yamaha YZ450F 2016

The Yamaha WR450F 2017 and the Yamaha YZ450F 2016 are both motocross bikes manufactured by Yamaha. While they share many similarities in terms of technical specifications, there are also some notable differences between the two models.

In terms of the engine and drive train, both bikes have the same bore and stroke measurements of 97 mm and 60.8 mm respectively. They also have the same compression ratio of 12.5 and fuel system with injection. However, the WR450F 2017 has the advantage of having both electric and kick starters, while the YZ450F 2016 only has a kick starter. Both bikes have a single cylinder and a 4-stroke engine with a displacement of 449 ccm.

Yamaha WR450F 2017

When it comes to suspension, both bikes feature upside-down telescopic forks in the front and a swing arm suspension in the rear. The travel measurements for the front suspension are the same for both models at 310 mm. However, the WR450F 2017 has a slightly higher rear suspension travel of 318 mm compared to the YZ450F 2016 with 315 mm. Both bikes have an aluminum frame with a twin tube design.

In terms of braking, both models have front brakes with a diameter of 270 mm. The dimensions and weights of the tires also differ slightly between the two models. The WR450F 2017 has a front tire width of 90 mm and a diameter of 21 inches, while the YZ450F 2016 has a front tire width of 80 mm and the same diameter of 21 inches. The rear tire width for the WR450F 2017 is 130 mm with a diameter of 18 inches, while the YZ450F 2016 has a rear tire width of 110 mm and a diameter of 19 inches. The wheelbase for the WR450F 2017 is slightly shorter at 1465 mm compared to the YZ450F 2016 with 1480 mm. Both bikes have the same seat height of 965 mm, but the WR450F 2017 is slightly heavier with a kerb weight of 123 kg compared to the YZ450F 2016 with 112 kg.

In terms of strengths, the WR450F 2017 has a powerful and well-controllable engine, easy handling, high-quality chassis components, and Nissin brakes. The YZ450F 2016 also has a powerful engine, adjustable mappings, a solid chassis, good handling, and pleasant gearshifting.

Yamaha YZ450F 2016

As for weaknesses, the WR450F 2017 does not have any listed weaknesses. On the other hand, the YZ450F 2016 is noted to have a slightly aggressive engine in the lower range.

In conclusion, both the Yamaha WR450F 2017 and the Yamaha YZ450F 2016 are powerful motocross bikes with similar technical specifications. However, the WR450F 2017 offers the advantage of having both electric and kick starters, while the YZ450F 2016 only has a kick starter. Additionally, the WR450F 2017 has a slightly higher rear suspension travel and is slightly heavier. Both bikes have their own strengths and weaknesses, but overall, they are both capable and reliable options for motocross enthusiasts.