SEAT Workshop Service and Repair Manuals

Example:

i= Z2/ Z1 1)

iG = Gear ratio = ZG2: ZG1 = 33 : 41 = 0.805

iA = Axle ratio = ZA2 : ZA1 = 77 : 17 = 4.529

Overall ratio = total ratio
= iG x iA = 0.805 x 4.529 = 3.646

    1)    Z1 = No. of teeth driving gear, Z2 = No. of teeth driven gear