Yamaha - Oil Lamp Lead 31.2 Electrical Indicator Component 6R3-82521-90-00. Overview. When it comes to oil warning systems, you want them working every single time-no guessing. I've seen guys chase engine problems that were really just bad signal wiring. When this lead is solid, your warning light tells you exactly what's going on, no false alarms or missed warnings. It's a small piece, but it's your early warning system out on the water.. Key Features. • Reliable Signal Connection - Delivers accurate communication to the oil warning light system.• 31.2 Length Design - Provides proper reach for clean and efficient rigging.• OEM Connector Fitment - Matches factory connections for secure and consistent performance.• Marine-Ready Wiring - Built to handle moisture, vibration, and long-term exposure.. Engine & Boat Compatibility. Designed for Yamaha outboard engines equipped with oil warning and monitoring systems. Commonly used across a range of Yamaha outboards where accurate oil level in