Wide Clutch Friction Disc; Yamaha FJ1100-1200, XJ1200 and XJR1300.
The standard Yamaha FJ clutch pack uses six (6) of these discs along with two (2) of the narrow discs at the front & rear of the pack. By removing the dampening cushioning spring from the rear of the clutch pack, you are able to use seven (7) wide discs which increases the clutch surface area.
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