The S2 used a modified Harley-Davidson Sportster V-twin.
1994 Buell S2 Thunderbolt Pictures
The 1994 Buell S2 Thunderbolt motorcycle handled like no other Harley-powered road machine, and sounded like no other sportbike anywhere.
The S2 hues to Buell's taste for tech-trendy gauges.
Headlights and taillights are flanked by decorative grilles.
Many a rival saw only the S2 Thunderbolt's taillamp,
