Fits 017 018 Ms170 Ms180 small engines. Effortless start The pull starter delivers reliable, smooth starts for small engines. Its efficient design provides strong pulling force, making it easier to start engines in lawn mowers, chainsaws, generators and other garden tools. Durable construction Built from high quality materials, the recoil starter is designed for frequent use and harsh working conditions. The wear-resistant cable and reinforced housing ensure long-lasting performance. Wide compatibility Engine start mechanism is compatible with various small engines, including lawn mowers, chainsaws, generators and more. It offers a perfect fit for easy replacement and extended functionality. Use scenarios - Replacing a worn recoil starter on Ms170/Ms180 lawn mowers or chainsaws. - Restoring a hard-to-start engine on a garden tool for quicker starts. - Keeping a portable generator ready for outdoor work or power outages.