Honda SH300 2006 Manual page 452

ELECTRIC STARTER
Install the brush springs to the brush holder
grooves.
Install the brushes to the brush holder.
Install the armature to the starter motor case.
The coil may be damaged if the magnet pulls the
armature against the case.
Install a new O-ring to the starter motor case.
Install the starter motor case by aligning the starter
motor case groove with the stopper on the rear
cover assembly.
21-12
STARTER MOTOR CASE
Align
REAR COVER
STARTER MOTOR CASE
SPRINGS
BRUSHES
ARMATURE
O-RING