The 9th annual BUB Motorcycle Speed Trials, This year was the 5th year of Land Speed Racing at Bonneville for Hiro Koiso Racing. The bike had gone through every inch of renovation from the previous year. This includes custom made fairings, a new JIMS135″ Twin Cam engine modified by T-Man Performance and a B-1 ProCharger that feeds air through custom intercooler. All this resulted in 262 horsepower at the rear wheel.
Despite wet conditions of the salt from rain in previous days, the team clocked one-way top speed of 214.224mph on this rubber mounted DYNA. Unfortunately, minor mechanical trouble on return run set average record back to 192mph. During a later run, a fire started by a broken fuel fitting. Hiro walked away but the bike was heavily damaged.
The team still managed to set new FIM World record (under calculation at this time) and AMA National record 192.391mph* (*both FIM and AMA records are subject of ratification at this point). These are the 12th and 13th Land Speed records for Hiro Koiso since 2008.
Hiro quoted “I’m proud of our team how far we came and very excited to glance at the potential the bike had. Even though we had to end the racing not the way we were expected, now we know what it takes to run 214 mph and what can be done to make it better in future. The bike can go fast not because of a rider or a builder, but team and family and supporters surrounding us. We are very fortunate and grateful for the great sponsors we have. We are definitely going back to the salt next year aiming for 220mph+ record(s).”