World’s Fastest Street Legal Harley

Hiro Koiso is an engine builder / tuner at Red Rock H-D in Las Vegas, and his racing team returned to the salt at the 2011 BUB Speed Trials. Hiro managed to make 15 passes during the week and the Hiro Koiso Racing team set 2 new FIM world and 4 AMA national records in 3000cc Blown classes. That included a one-way top speed of 193.596 mph without fairings!

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The Worlds Fastest Street Legal Harley-Davidson