Replacement valve set suitable for the Naraku Racing 4-valve cylinder head NK600.77 for Yamaha X-Max, WR, YZF-R 125cc and other 125cc scooter or moped with YI-3 engine.
Delivery includes:
2x inlet valve: 25mm
2x outlet valve: 22mm
Delivery includes:
2x inlet valve: 25mm
2x outlet valve: 22mm