GENUINE YAMAHA FZS 600 FAZER FRONT SPROCKET NUT ANS WASHER KIT.

THE KIT CONTAINS:

90179-18006 UPGRADED NUT

90215-21290 WASHER

FOLLOWING A MAJOR PROBLEM WITH STANDARD FRONT SPROCKET NUTS YAMAHA RELEASED THIS UPGRADED PARTS.

THIS KIT IS THE ESSENTIAL 12mm NUT AND WASHER KIT.

THERE WERE NUMEROUS CASES OF THE STANDARD 9mm NUT UNSCREWING!

THIS WOULD OFTEN CAUSE THE SPROCKET TO COME OFF THE SHAFT!

THE STANDARD 9mm NUT COULD CAUSE AN ACCIDENT DURING NORMAL, EVERYDAY USAGE AS WELL AS DAMAGE THE THREAD ON THE OUTPUT SHAFT COSTING £100s TO REPAIR!

I'M HAPPY TO ANSWER ANY QUESTIONS YOU MIGHT HAVE.