1985 Honda Odyssey 350 FL350R Shop Manual, Page 188Get this manual
STARTER SYSTEM Align the marks and tighten the screws securely
(1) ALIGNING MARKS
Install the pinion gear assembly to the coverInstall the washer onto the pinion drive gear shaft and O-ring onto the caseTighten the pinion gear cover bolts and install the O-ring
(1) O-RINGS
(2) WASHER