Yamaha Pinion Assembly - 6AW-81808-00-00. Precision OEM Replacement for Reliable Starter System Performance. The Yamaha - Pinion Assy - 6AW-81808-00-00 is a genuine Yamaha replacement component, designed to ensure smooth and consistent engagement between your outboard's starter motor and flywheel. This high-quality pinion assembly is an integral part of the starter system, responsible for delivering reliable crankshaft rotation during engine startup.. Crafted to exact OEM specifications, it offe