Yamaha YZ450FX

The Yamaha YZ450FX is an off-road performance motorcycle made by Yamaha Motor Company. It currently has a 450 cc liquid-cooled single-cylinder engine. First offered in 2016 at 450cc, it shared many components and design concepts with both the Yamaha WR450F and Yamaha YZ450F motocross model. The 2016 model premiered as a closed-course, competition GNCC/Woods racer. The YZ450FX features a wide ratio transmission, 18" wheel, electric start and kickstand.

First Generation (2016)
The YZ450FX was introduced in 2016 and the first generation continued through 2018. The frame is the same as the YZ450F of that year but with different engine mount brackets.

Second Generation (2019)
The second generation YZ450FX was introduced in 2019 and featured an all new engine, updated suspension settings, revised chassis, and a wireless, smartphone based engine tuning app. The kickstarter was removed for this generation and cannot be added.

Third Generation (2021)
The third generation YZ450FX was introduced in 2021 and featured a lighter cylinder head, new camshafts and piston, and a longer connecting rod. It shares the same chassis as the YZ450F.