1991-1993 Yamaha Exciter II-570 Service Manual, Page 425Get this manual
MAINTENANCE SPECIFICATIONS POWER TRAIN
Model Transmission: Type Range of Ratio Engagement RPM Shift RPM Sheave Center Distance A" Sheave Offset UB"
ISPECI 01
EX570SXT
EX570(E)T V-belt Automatic 3.80.95:1
EX570STT
Approx 3,800 rmin Approx 3,800 rmin Approx 3,900 rmin Approx 7,300 rmin 267270 mm (10.510.6 in) 14.517.5 mm (0.570.69 in) Approx 7,750 rmin