Yamaha Pipe 2 - 68D-F4312-00-00. Genuine Yamaha Steering Pipe for Reliable Control and Fit. The Yamaha - Pipe 2 - 68D-F4312-00-00 is an original Yamaha replacement part engineered for seamless integration into your outboard's steering system. Manufactured to precise specifications, this OEM pipe maintains the integrity and responsiveness of your steering linkage, providing smooth, confident control while on the water.. Whether replacing a worn component or performing preventive maintenance, this