It wasn’t such a surprise that the Bimota YB4 was so successful in racing. Especially since they were participating in big championship with huge competitors like Yamaha and Honda. The manufacturer Bimota was no match in size by any means. But the YB4 handled great. It was predictable, surprisingly forgiving and rode very smooth.
One could trust the front wheel of the YB4 to go exactly where you wanted it to go. The steering was very sharp and responsive. Combine that with the rather stiff suspension and you get a proper race bike. The excellent chassis allowed a short wheelbase, making it quick to turn without making it a nervous ride.
The Bimota YB4 was such a succes using the FZ750 engine in their bikes, they almost forced Yamaha to step up their game. And with the release of the Yamaha FZR 750 R OW01 and their newly designed FZR 750 engine, they did.