2008 Honda Aquatrax ARX1500T3/T3D factory service manual, Page 411Get this manual
ELECTRIC STARTER Install new O-ring to the starter motor caseInstall the front cover to the starter motor caseFRONT COVER
When installing the front cover, take care to prevent damaging the oil seal lip with the armature shaft
Align the index marks on the front cover, starter motor case and rear cover