1. APPLICATION: This aftermarket propeller is compatible with BRP, JOHNSON, EVINRUDE, and E-TEC 40 - 140HP 2-stroke engines that feature a 13 spline tooth shaft. Please verify your engine shaft specifications prior to purchase. Refer to the product description for detailed engine compatibility. 2. INSTALLATION: Prior to servicing the propeller, ensure the engine is in neutral and the ignition is turned off. Consult your Engine's Owner Manual for essential safety precautions. Install the propeller using the existing thrust washer, spacer, and nut from your engine's lower unit shaft. The propeller includes a split pin for secure attachment. 3. MATERIAL: Constructed from high-strength aluminum, this propeller features a hybrid casting of strontium, aluminum, and titanium, providing enhanced strength and durability. 4. EXTREME ANTI-CORROSION: The propeller is treated with a robotic powder-coat using AkzoNobel's patented anti-corrosive coating, ensuring long-lasting protection against corrosion. Key Benefits: - Enhanced performance for BRP, JOHNSON, EVINRUDE, and E-TEC engines, improving efficiency and responsiveness. - Durable construction and anti-corrosive coating extend the lifespan of the propeller, reducing the need for frequent replacements. - Easy installation process with included hardware, making it user-friendly for boat owners. Use Scenarios: - Ideal for recreational boating, providing reliable propulsion for smooth navigation on lakes and rivers. - Suitable for commercial fishing, ensuring optimal performance under varying loads and conditions. - Perfect for water sports, offering improved acceleration and handling for activities like wakeboarding and water skiing.