The 72 mm cylinder liner sleeve is a perfect fit for outboards with a maximum capacity of 30 horsepower and a model number starting with 61N, such as the 61N-11312-00. This cylinder liner sleeve is designed specifically for two-stroke engines and features a durable construction to ensure reliable performance in various marine environments. Its precise fit and compatibility make it easy to install, reducing the risk of leaks or leaks caused by misalignment. The sleeve's compact size and lightweight nature make it an excellent choice for users who prefer a compact and lightweight outboard motor system. Overall, the 72 mm cylinder liner sleeve is a reliable and cost-effective solution for anyone looking to upgrade their outboard motor cylinder liner.