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https://www.yamaha-motor.eu/al/en/accessories/accessories-overview/pdp/gytr-sprocket-nut-set-2cr-a7463-70-00/ GYTR Sprocket Nut Set - Accessories - Yamaha Motor GYTR sprocket nut is advised to be used each time you use a new sprocket. sprocket nutgytrsetaccessoriesyamaha https://www.yamaha-motor.eu/cy/en/accessories/accessories-overview/pdp/gytr-sprocket-nut-set-2c0-a7463-70-00/ GYTR Sprocket Nut Set - Accessories - Yamaha Motor GYTR Sprocket Nut is advised to be used each time you use a new sprocket sprocket nutgytrsetaccessoriesyamaha https://www.answers.com/individual-sports/How_do_you_get_lock_nut_of_yz125_sprocket How do you get lock nut of yz125 sprocket? - Answers To remove the lock nut on the sprocket of a Yamaha YZ125, first ensure the bike is secure and the rear wheel is off the ground. Use a suitable wrench to hold... how do youlock nutgetyz125sprocket