Honda SH125 Manual page 238

ALTERNATORETARTER CLUTCH
Apply engine oil to the flywheel nut threads and
seating surface.
Install the washer and nut.
Hold the flywheel with the special tool and tighten
the nut.
TOOL:
Flywheel
holder
07725-0040000
TORQUE: 116 N.m (11.8 kgf-m, 86 ibf4-t)
Apply engine oil to the starter reduction gear and
shaft.
Install the starter reduction gear and insert the shaft.
Install the right crankcase cover (page 12-7).
12-14