Here is a real classic from when four-strokes were still the exception instead of the norm on motocross tracks around the globe. This shootout from Dirt Bike pits the 1983 Honda XR500R against the Yamaha TT600, Can-Am Sonic 500, and KTM 504. 1983 Open Class Four-Stroke Shootout Continue reading 1983 Open Class Four-Stroke Shootout