Yamaha - Oil Pump Assembly Engine Lubrication System 69J-13300-01-00. Overview. If you've worked around Yamaha outboards long enough, you know proper oil delivery is what keeps these motors running season after season. The Yamaha Oil Pump Assembly 69J-13300-01-00 is responsible for delivering a steady, controlled flow of oil throughout the engine so critical components stay protected. When the pump is doing its job, internal parts stay lubricated, temperatures stay stable, and wear stays minimal