Every motorcyclist loves the sound, smell, and charisma of a two-stroke, but these days they’re all but extinct. On this episode of Throttle Out, Ari Henning and Zack Courts tackle the issue by trying to mount a 1987 Yamaha Banshee four-wheeler engine into a modern YZF-R3 chassis. Can the boys—and their “R-Shee” racer—revive the glory of two-strokes?