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Motorcycle Glossary Dictionary Term - DOT Helmet Rating

DOT Helmet Rating: The Department of Transportation (DOT) rates motorcycle helmets. The rating is based on dropping the helmet containing a simulated head from a height of 10 feet. The "head" must receive no more than 400 Gs over a prescribed dwell time. See Bill Stermer's book, Motorcycle Touring and Travel for more information. This book is available in the Motorcycles Bookstore .

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Symbols, A - C: (2-Second Rule => Custom Motorcycles)
D - H: (Daytona => Hurt Report)
I - P: (Inline 4 => Pushrods)
Q - S: (Rake & Trail => Swing Arm)
T - Z: (T-Bone => Zen)

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