Honda B75K2-B75K3 Outboard Motors Manual., Page 68Get this manual
MAJOR MODIFICATIONS
Oil level bolt is installed
Add the boss for installation of oil pressure switchNOTE: The adapter should be installed when the oil pressure switch is installed to the B75 cylinder
Add to the cylinder barrelOperating pressure: 0.2-0.4 kg NormalON Abnormal: OFF Tightening torque: 0.7- 1.O kg-m