This project is creating two 500cc motorcycles with very different objectives.
PZ490
The PZ490 is an enduro bike built specifically to tackle the Roof of Africa rally in Lesotho. This engine is designed to be vey tractable with massive, flat torque curve across a very wide rev range.
PZ500
The PZ500 is a landspeed racer designed to break a 500cc class land speed record that was set in 1978. In contrast to the enduro, this engine is all about brute power.