Karcepts KPS0X - Manual (Page 8)

4. TENSIONER INSTALLATION (continued…)
4.
Wrap the 6 rib belt around the pulleys as shown while sliding the idler pulley
onto the tensioner block. PLEASE NOTE THE ORIENTATION OF THE BELT
ONTO THE CRANK AND ALTERNATOR PULLEYS. The orientation is NOT
intuitive. There will be one groove not used on each of those pulleys. Make
certain the groove not used matches that of the images shown.
5.
Install the bearing cover (Honda Part #: 31185-PCX-003) and M10 x 25mm
special flange bolt (Honda Part #: 90031-PRA-000). Torque to 32 ft-lbs.
CRANK PULLEY: Unused
groove on OUTSIDE of pulley ALT. PULLEY: Unused
groove on INSIDE of pulley