Engine: The Ryobi 2-Cycle 16" 37cc Gas-Powered Chainsaw is equipped with a powerful 37cc engine, designed to provide the necessary strength and efficiency for cutting through tough wood and branches. The engine is a reliable 2-cycle gas-powered design, offering the convenience of quick startups and smooth operation, making it perfect for homeowners, landscapers, and professionals alike. With this engine, the chainsaw delivers impressive performance for a variety of outdoor tasks such as cutting firewood, trimming trees, or clearing brush.