06300-ZW5-010ZB Flatlen Inst.set Wh - Overview. The 06300-ZW5-010ZB Flatlen Inst.set Wh is a genuine Honda white flat lens instrument installation set tailored for Honda marine engine systems. This essential kit supports the instrumentation system in Honda marine engines, providing reliable means to install and integrate multiple gauges such as tachometers, speedometers, and fuel meters within a clean and OEM-specified design. Engineered to maintain precise factory dimensions and tolerances, it