The Yamaha YZR 500 V4: The Engine That Dominated Grand Prix Racing
The Yamaha YZR 500 V4 was a revolutionary two-stroke racing machine that dominated the 500cc Grand Prix World Championship during the 1980s and 1990s. Powered by a 500cc V4 engine,…
MotorcycleEngineering
Honda NR750 Engine: The 32-Valve, Oval Piston Revolution!
The Honda NR750 was a superbike ahead of its time. Featuring oval pistons, 32 valves, and an 8-spark plug system, this V4 engine delivered V8-like performance in a compact package….