Before last week Bonneville BUB’s Speed Trials this bike was legally ridden on the street and now it is claimed by Hiro Koiso Racing as “the World’s Fastest Street Legal Harley-Davidson”. Hiro is the engine builder/tuner at Red Rock Harley-Davidson in Las Vegas NV. After one year of recovery (both bike and him) following an accident on during the 2010 edition, Hiro was back on The salts, managing to make 15 passes during the week, srtting 2 new FIM World Records and 4 AMA National Records in the 3000 Blown Class, including a run at 193.596 mph without fairing!
His 2006 Harley FXD-I is powered by a JIMS 131″ Twin Cam engine modified by T-Man Performance. All internal components are WPC metal surface treated. Air is forced fed through ProCharger to add boost in speed. Engine power is held by AIM 3rd generation CF2 clutch. Gear shifting is done by Pingel electric shifter. Engine boasts 224 Horsepower at rear wheel, transmitted with Sundance/RK chain. “This year’s preparation was tough but it was all worth it.” Hiro commented. Red Rock Harley-Davidson.