Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 374Get this manual
RECOMMENDED SHAPE Use mm (0.12 in) thick aluminum or stainless steel
INDICATOR LAMP (1.2 in)
4 CORNERS
SETTING RUBBER
- 101 mm (4.0 in)
INSTALLATION IGNITION SWITCH Drill the holes in the panel so that the switch can be installed with the drain hole facing down(1.0 in)
INDICATOR LAMP
WARNING BUZZER Prepare the bracket of the dimensions shown, and install the warning buzzer with the drain hole toward down2 mm ("'08 in) ,
17 mrn (0.7 in)
BRACKET Use mm (0.04 in) thick aluminum or stainless steel plate
WARNING BUZZER LOCK NUT (0.5 kgf-m, 3.6 Ibf-ftl