35640-ZY3-003 Power Tilt Switch - Overview. The 35640-ZY3-003 Power Tilt Switch is an essential component within Honda marine engine systems. It serves to control the power tilt and trim mechanisms, allowing boaters to adjust the outboard motor's angle seamlessly for better performance, maneuverability, and shallow water operation. This switch is critical for maintaining reliable engine operation and smooth integration with the outboard's mechanical and electrical systems.. Key Features. Genuine