Kit tuerca sujección piñón delantero (Original) - Yamaha YH 50 Why 2003

This is the Yamaha OEM nut and washer kit 90891-10124-00,
the up-rated kit for earlier bikes with the troublesome thinner nut.

Kit Contains:
1 Nut - 90179-18006 (Thread 18x100)
1 Washer (90215-21290)