The STIHL MS 171 is part of the lightweight generation of STIHL chainsaws with reduced emission technologya significant benefit for users because it saves fuel even as it cuts exhaust emissions. The MS 171 also has the STIHL pre-separation air filter, which can extend filter life up to five times over previous models.

Features:

• A lightweight, fuel-efficient chainsaw with reduced-emission engine technology.
• Made in America Anti-Vibration System Side-Access Chain Tensioner Translucent Fuel Tank