Yamaha - Oil pipe comp. 2 - 6S5-13406-00-00Yamaha Oil Pipe Assembly 2 Lubrication System Component 6S5 13406 00 00 Overview Oil pipes are one of those parts you dont want to take chances with. Ive seen engines take serious wear just because oil wasnt getting where it needed to go. When the pipe is clean, sealed, and flowing right, the motor stays protected and runs smoother over time. Its a simple piece, but it plays a big role in keeping everything alive inside the engine. Key Features