Description:

This Front and Rear Sprockets Kit provides a complete drivetrain upgrade for compatible Yamaha motorcycles to ensure smooth power delivery. It is designed for precise fitment on specific XJ series models from 1981 to 1985.

• Front Sprocket Teeth: 16
• Rear Sprocket Teeth: 45
• Compatible Models: Yamaha XJ400 1982, XJ550 1981 to 1985, XJ550 H J K Maxim 1981 to 1983, and XJ550 R J K Seca 1982 to 1983
• Part Number: FS151 16 plus RS157 45 1