The current owner is not new to rare motorcycles.
Trained as a motorcycle mechanic with Honda in Germany during the late 1970s, he has spent more than forty years buying, selling, repairing, restoring and researching significant motorcycles. During that time, thousands of motorcycles passed through his hands, ranging from ordinary production machines to some of the rarest Japanese, Italian and German motorcycles ever built.
From 1985 until 2010 he operated a motorcycle repair and restoration business in the San Francisco Bay Area, specialising in vintage Ducati, MV Agusta four-cylinder, Laverda and Moto Guzzi motorcycles. Following retirement and his return to Europe, motorcycles remained a lifelong interest and a serious occupation.
In 2012, a chance discovery at a motorcycle dismantler in Switzerland led to the purchase of a 1985 Suzuki GSX-R1100 GU74 carrying Frame Number 1 and Engine Number 1. That motorcycle ignited a deep interest in the earliest GSX-R models and the development history behind them.
Over the following years, considerable time was spent studying factory literature, production changes, engineering revisions, and the details that distinguish the earliest GSX-R motorcycles from later examples.
That knowledge led directly to the motorcycle shown on this website.
In 2021, a routine classified advertisement in Belgium revealed a motorcycle displaying a number of highly unusual features. The current owner purchased the machine immediately. At the time, nobody involved understood what it actually was.
Not the seller. Not the previous owner. Not the current owner.
Like everyone else who had seen the motorcycle before, it was assumed to be nothing more than an early production GSX-R750 with a number of uncommon features. That assumption was wrong.
Over the next five years, the motorcycle was subjected to an exhaustive investigation. Every major component was examined. Hundreds of direct comparisons were made against regular production GSX-R750 parts. Factory literature was studied. The evidence accumulated year after year.
The conclusion became unavoidable.
Today, more than one hundred documented prototype-specific features have been identified throughout the motorcycle. Those features are visible, measurable, and verifiable. They are documented throughout this website.
The motorcycle presented here is the result of five years of research and forty years of experience recognising what was hiding in plain sight.
Questions, corrections, and independently verifiable information are always welcome. The objective of this project is to document and preserve one of the most important surviving motorcycles from the birth of the GSX-R legend.