Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 378Get this manual

6PROPELLER INSTALLATION
THRUST WASHER INSTALLATION Install with the groove side facing to the gear case
GEARCASE

14 mm CROWN HEAD NUT

3 rnrn COTTER PIN

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives