Pela 2000 2.5 Liter Marine Oil Change Pump This Pela 2000 Marine Oil Change Pump only requires 5 to 10 pumps to create a powerful vacuum. Youll find it ideal for small 4-stroke outboard engines up to 50 HP, sailboats with small diesel engines 9 HP to 18 HP, or PWCs with 4-stroke engines. It has a capacity of 2.5 liters, making this marine oil change pump a smart choice for smaller engines. Features Pump 5 To 10 Times In A Row To Create A Powerful Vacuum Capacity Of 2.5 Liters 2.64 Qts Ideal For