Drive, 9-Tooth A: 14.60, B: 39.40, C: 46.30, D:φ12.50, E:φ15.20 F: 7T Gear Busing ( Ø12.50 x L 13.00 ) ID Hitachi S114-660, -660A, -660B; Yamaha 6N7-81800-01, -10