Impeller for Yamaha/Selva 80–100 HP – High-Performance Cooling Impeller

This impeller is designed to maintain optimal cooling for Yamaha 80–100 HP outboard engines, including equivalent Selva-branded models of the same power range. It covers both older 2-stroke and newer 4-stroke engines in this category. As a replacement for Yamaha OEM impeller #67F-44352-00, this CEF product offers the same level of quality and fit as the original part.

• Compatibility: Compatible with Yamaha and Selva engines in the 80 HP to 100 HP range. For example, it fits Yamaha 2-stroke models of 80 and 100 HP (specific years/markets) as well as the 4-stroke Yamaha F80 and F100 engines. Selva (an Italian brand using Yamaha technology) 80–100 HP motors can also use this impeller since they often share the same water pump design. Installation is straightforward – remove the old impeller and insert this one, ensuring the key is properly aligned.
• Use Cases: Engines of 80–100 HP typically power boats around 5–6 meters long – such as RIB inflatables, mid-size fishing vessels, small runabout speedboats, or even some workboats. These boats often engage in activities like water sports (towing skiers or tubes) or longer cruising trips. This impeller ensures your engine gets sufficient cooling during rapid acceleration, extended cruising, or when carrying heavy loads, all of which can stress the cooling system.
• Performance: The 6-blade impeller design provides a steady and ample flow of water through the cooling system. Even at high RPM or under heavy load (e.g., quickly getting on plane or carrying multiple passengers), the impeller keeps the engine at a safe temperature. This is critical to prevent heat-related damage to pistons, head gaskets, and other internal components. By maintaining proper cooling, the engine can deliver full performance without risk of overheating.
• Construction: The impeller is crafted from high-durability neoprene, which withstands continuous rotation and load in water (including corrosive saltwater). The neoprene material is flexible yet resilient, ensuring a tight seal against the pump housing for optimal pressure. The hub diameter (Ø A) is ~20 mm and the outer diameter (Ø B) is ~58.2 mm, with a height (C) of ~34.7 mm – matching the original specs for impellers in this class. These precise dimensions guarantee that the impeller will fit and function just like the OEM part.
• Maintenance: As with all cooling systems, the impeller should be inspected during regular engine service. It’s recommended to replace it every 1–2 seasons (depending on usage intensity) or roughly every 100 engine hours. If any signs of wear are observed – such as cracked or bent blades, reduced water flow, or an increase in engine running temperature – the impeller should be replaced immediately. Routine maintenance will ensure a long life for your Yamaha/Selva engine and trouble-free operation throughout the boating season.