In this video, we swap the Yamaha YFZ 450 motor with the Electric Stark Varg Motor, which is known for being the most powerful dirt bike. Watch as we test the performance of the electric motor in the ...

It's finally here: Yamaha's much anticipated YFZ450. It's been a long time coming, but Yamaha is the first ATV manufacturer to release a truly race-worthy, high-performance quad to the world. Track or ...

If you're into ATVs that go fast-no scratch that, really fast-then you may want to take a look at Yamaha's new YFZ450R. Yamaha's goal was to build the world's best all-around high-performance racing ...