gear parameter: primary (drive gear) number:22
sub(driven gear)number 73
M=1.75 A=17.5o
center distance:82.525 MM
fix dimension:rectangle spline:Φ17×Φ14×4 / 6
static friction torque≥139 N m
engine:250cc--300cc ATV
type:doubel clutch
primary:weights centrifugal clutch
sub:wet and multi-friction discs clutch