Yamaha - Trim Cylinder Wave Washer Power Trim and Tilt Hardware Component 90206-22M19-00. Overview. When you work around Yamaha trim and tilt systems long enough, you learn the small hardware matters just as much as the big parts. The Yamaha Trim Cylinder Wave Washer 90206-22M19-00 helps maintain proper tension and fit within the trim cylinder assembly so the system stays tight and operates the way it should. It is one of those pieces that often gets overlooked until you are already deep into a