Yamaha - Oil pan - 68T-15311-01-CAYamaha Oil Pan Engine Lubrication Housing 68T 15311 01 CA Overview The oil pan is one of those parts you dont think about muchuntil theres a leak or a problem with oil supply. It sits at the bottom of the engine, holding everything your motor depends on to stay lubricated and protected. If its solid and sealed right, youll never notice it. But if its damaged or not sitting properly, it can turn into a bigger issue fast, especially out on the water.