Powered by a 64cc STIHL 2-MIX engine, the MS 391 delivers improved fuel efficiency and reduced emissions. Key features include a user-adjustable oil delivery pump for tailored lubrication, a decompression valve for easier starting, and advanced combustion technology.
The chainsaw is equipped with a pre-separation air filtration system for extended filter life, an anti-vibration system for added comfort, and tool-free filler caps for convenience. Additional features include a compensator for consistent engine performance, STIHL’s Ematic chain lubrication system, side-mounted chain tensioning, and a single-lever control for start, choke, throttle, and stop functions.