Hiro Koiso’s FXD Becomes Worlds Fastest Street Legal Harley-Davidson

Hiro Koiso Racing returned to the salt at the 2011 BUB Speed Trials, August 27th -Sep.1, at the legendary Bonneville Salt Flats in northwestern Utah and garnered four new AMA records and two new FIM World Records: 3000 M-PBG 188.509mph,…