KTM’s 2025 450 SX-F gets chassis updates, ... Of all the classes of motorcycles on the market today, there is none more competitive than 450cc four-stroke motocross.

The 2021 KTM 450 SX-F is the championship-winning bike from the Austrian company that has won year after year of 450cc class four-stroke motocross and supercross. It has a lightweight alloy frame ...

Infographic: Ken Roczen’s KTM 450 SXF . ... the former MX2 world champion took part in several SX rounds in 2012 and 2013 riding a 350 four-stroke, ...

Moving up, there’s the fire-breathing KTM 450 SX-F which uses a 449.9cc four-stroke single cylinder that produces 63hp at 9,500rpm and 74Nm at 9500rpm.

There are three XC-F models in the 2021 KTM line-up: the 250, 350, and 450.We’re here to talk about the largest displacement of the three, the 2021 450 XC-F. This serious off-road enduro bike shares a ...