Mission Ratio
GEAR Ratio Pinion Wheel
Parts No. Teeth Stamp Parts No. Teeth Stamp
1st 2.438 2CR-17401-70 16 U7-1PC-0 2CR-17211-70 39 U7-1WC-0
2nd 2.059 2CR-17121-70 17 U7-2PD-0 2CR-17221-70 35 U7-2WD-0
3rd 1.789 2CR-17131-70 19 U7-3PC-0 2CR-17231-70 34 U7-3WC-0
4th 1.571 21 U7-4PC-0 2CR-17241-70 33 U7-4WC-0
5th 1.455 2CR-17151-70 22 U7-5PCX-0 2CR-17251-70 32 U7-5WCX-0
6th 1.364 2CR-17161-70 22 U7-6PCX-0 2CR-17261-70 30 U7-6WCX-0
Gear Ratio
STD KIT
1st 39 / 15 (2.600) 39 / 16 (2.438)
2nd 37 / 17 (2.176) 35 / 17 (2.059)
3rd 35 / 19 (1.842) 34 / 19 (1.789)
4th 30 / 19 (1.579) 33 / 21 (1.571)
5th 29 / 21 (1.381) 32 / 22 (1.455)
6th 30 / 24 (1.250) 30 / 22 (1.364)
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