Powerful Performance Coupled with Ease of Operation and Maintenance 63.3 cc professional-grade, 2-stroke engine for outstanding performance; Pleated, automotive-style air filter for superior filtration; Extra flexible tube for cold weather operation; Padded backrest and shoulder straps for comfort; Tube-mounted throttle with cruise control for operator convenience;63.3 cc professional-grade, 2-stroke engine for outstanding performance Extra flexible tube for cold weather operation Padded backrest and shoulder straps for comfort Pleated, automotive-style air filter for superior filtration Tube-mounted throttle with cruise control for operator convenience