Boat Ignition Switch for Mercury Outboard Motors Ensure reliable starts and smooth operation with this quality 3position boat ignition switch designed specifically for Mercury outboard engines. Built for durability and precision, it offers an exact fit and dependable performance in challenging marine environments. Key Features and Benefits: 3position key switch (Off Run Start) with integrated pushtochoke function for magnetostyle ignition systems, allowing smooth engine startup and choke control without additional components. Heavy duty construction using potted plastic and metal components, engineered to resist vibration, moisture, and harsh marine conditions. Minimal circuit bleed for consistent, reliable ignition and reduced risk of electrical issues over time. Exact OE replacement for model 8717009A5, ensuring compatibility and proper fit without modifications. Precise dimensions: 58.18 x 37.62 x 17.54 mm for seamless installation on select Mercury outboard engines. Optimized contact points to reduce electrical erosion, helping maintain stable power flow from battery to starter during ignition. Applications: 1. for replacing worn or faulty ignition switches on Mercury outboard motors used for fishing boats, ensuring dependable startups during early morning trips. 2. Ideal for leisure or family boats, providing consistent and safe ignition when cruising on lakes, rivers, or coastal waters. 3. Suitable for small commercial vessels powered by Mercury outboards, minimizing downtime with reliable operation in daily use. Materials and Build Quality: This switch combines durable potted plastic housing with robust metal components to withstand prolonged exposure to moisture, salt, and mechanical stress. Its sealed construction helps prevent internal corrosion, extending service life and ensuring dependable ignition in all weather conditions. Performance: Engineered for marine applications, this ignition switch supports fast, confident startups while protecting electrical components from wear. The pushtochoke function offers added convenience when starting cold engines, and the optimized mechanism ensures consistent performance over time. Compatibility: Direct fit replacement for OE part number 8717009A5, designed for selected Mercury outboard motors. No additional wiring modifications are required, making installation straightforward for technicians or experienced boat owners. If you want, I can also craft an SEOoptimized version of this description tailored for online listings like or eBay so it ranks higher and converts better. Would you like me to do that next?