Honda SH125 Manual page 203

DRIVE AND DRIVEN PULLEYWCLUTCH
Remove the drive belt from the crankshaft.
Remove the movable drive face assembly while
holding the back of the ramp plate.
Remove the drive face boss from the movable drive
face assembly.
Remove the ramp plate, slide pieces and weight
rollers.
INS PECTl ON
WEIGHT ROLLER
Check each roller for wear or damage.
Measure the weight roller O.D.
SERVICE LIMIT: 19.5 mm (0.77 in)