A Stunner: 1985 Yamaha FZ750

From the RSBFS archivesIn December of 2021, Donn posted an FZ750 here on RSBFS shedding some great wisdom about the FZ750, “Engineers from Iwata found an ideal solution to increasing intake flow and reducing valve mass and friction losses.  Smaller valves made the 10,500 rpm feasible, with accessories built behind the crankshaft to keep the…