Gerard Rond's 1977 Yamaha OW27 125 – The Claiming Rule Bike That Stayed in Europe
Walkaround of Gerard Rond's 1977 Yamaha OW27 125 works bike — the exotic water-cooled Grand Prix machine from Holland that powered Rond in the 1977 125cc World Championships. This is the only surviving example in the world today, preserved at the International Motocross Museum. Why never raced in the US? The AMA claiming rule threat in 1976 (after claims on Hannah's and Smith's works bikes) caused chaos and forced Yamaha to keep this advanced water-cooled bike out of America — no claims possible in Europe or Japan meant it stayed a true factory secret weapon. See the trick cylinder, water-cooling system, factory details, and special hand made shock made by Lucien Tilkens — real grassroots access to one of motocross's rarest GP machines. Full "An Evening with the Champions" gala documentary: • International Motocross Museum "An Evening... Support the museum and grab posters, videos, apparel, and more in our gift shop: https://www.internationalmotocrossmus... 👍 LIKE if '70s GP bikes are your thing 🔔 SUBSCRIBE for more rare walkarounds, legend stories, and deep dives 💬 COMMENT below: Opinion on works 125s in the 1970s? #YamahaOW27 #GerardRond #1977WorldGP #125GP #MotocrossHistory #InternationalMotocrossMuseum #VintageMotocross #WaterCooled125 #GPBikes #MXLegends
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