Not sure what type of oil you need? See our Mercury Marine recommended engine oil chart
Mercruiser Gas Sterndrive & Inboard Oil Capacity Chart
Mercury Racing Engine Oil Capacity
Mercruiser Diesel Engine Oil Capacity
Four Stroke Outboard Oil Capacity(incl. Verado)
GEAR LUBE:
Small Outboard Gear Lube Capacity Chart (less than 75 HP)
Large Outboard & Sterndrive Gear Lube