Yamaha - Oil pump assy - 68T-13300-00-00Yamaha Oil Pump Assembly Engine Lubrication System 68T 13300 00 00 Overview This is one of those components you dont take chances with. The oil pump is what keeps everything inside the engine moving smoothly, especially when youre running hard or spending long days on the water. When its doing its job, youll never notice itbut when its not, things go downhill fast. Its the kind of part you want solid and reliable every single time you turn the key.