2016 Stihl MS 171

Additional Features

• INTELLICARB™ COMPENSATING CARBURETOR: Measures air on clean side of air filter and adjusts metering diaphragm in carburetor. Keeps RPM levels even when filter begins to clog.
• DECOMPRESSION VALVE: Makes starting easier.
• EASY2START™ SYSTEM: Reduces the strength and effort needed to start the engine. Available on select models.
• STIHL QUICKSTOP® PLUS (Q) - AN ADDITIONAL CHAIN BRAKING FEATURE: designed to activate when you completely release the rear handle. Designed to stop the chain within one second.
• PURGE PUMP PRIMER: lets you prime the carburetor without flooding it. Standard on select models.
• STIHL M-TRONIC™: Electronically optimizes the fuel mixture over the whole RPM — ensuring top performance and efficiency under varying conditions.
• ELASTOSTART™ HANDLE: Has built-in shock absorber for smoother starting.
• QUICK CHAIN ADJUSTER: A toolless chain adjuster.
• CAPTURED GUIDE BAR NUTS: Secure the guide bar and sprocket cover.

Common Features

• STIHL OILOMATIC® SAW CHAIN: STIHL makes its own saw chain.
• EMATIC™ BAR: Includes a polymer ramp reservoir which holds bar oil until it can be picked up by passing chain. This can reduce oil usage by up to 50%.
• BUMPER SPIKES: Help prevent pull-in and provide better control, making cutting easier.
• SPARK ARRESTER MUFFLER: Has large baffles which reduce noise level and contain a screen designed to reduce the emission of sparks.
• STIHL QUICKSTOP® CHAIN BRAKE SYSTEM: Designed to stop the chain in fractions of a second. Can be manually activated or activated by inertia if the kickback force is sufficient.
• FRONT HAND GUARD: Designed to reduce the risk of injury.
• FRONT HANDLE: Designed for a secure grip and ergonomically angled for comfort.
• PROTECTED SPARK PLUG: Protected, yet easy to change.
• LARGE STARTING HANDLE: Easy to grip.
• SMOOTH CLEAN DESIGN: No rough edges to snag on clothing or brush.
• AIR FILTER COVER: Easy to remove for fast and easy filter cleaning or replacement.
• MASTER CONTROL LEVER™: A single lever operating the choke, starting throttle lock and on-off switch.
• REAR HAND GUARD: Reduces the risk of injury as well as provides a wide area for foot placement during starting.
• HIGH-TECH POLYMER HOUSINGS: Lightweight, withstand greater impact and are corrosion-resistant.
• TRANSLUCENT FUEL TANK: Allows operator to easily check fuel level before starting work.
• ANTI-VIBRATION SYSTEM: Helps reduce operator fatigue.
• ELECTRONIC IGNITION: Provides easier starting and smoother running.
• REPLACEABLE "IN TANK" FUEL AND OIL FILTERS: lower cost and are easy to maintain.
• INBOARD CHAIN BRAKE: Requires less maintenance and makes saw chain sprocket easier to remove.
• AUTOMATIC BAR AND CHAIN OILER: Lets operator concentrate on cutting, not on bar lubrication.
• CHAIN CATCHER: helps reduce the risk of operator contact by a chain if it should break or derail.
• THROTTLE TRIGGER LOCKOUT: Must be depressed before the trigger can be activated.

Model Features

• BUILT IN THE USA: When you own a STIHL, you hold in your hands the product of hard work, pride and dedication.
• ANTI-VIBRATION SYSTEM: STIHL has developed a system for minimizing the vibration levels of handheld outdoor power equipment. The STIHL anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience.
• SIDE-ACCESS CHAIN TENSIONER: The side-access chain tensioner makes it much more convenient for the user to adjust the saw chain with a bar wrench as opposed to the typical location of the guide bar adjustment screw.
• TOOLLESS FUEL AND OIL CAPS WITH RETAINERS: Simply lift the lever and twist the caps to remove or tighten. There‘s no need to use a tool to tighten or loosen.
• TRANSLUCENT FUEL TANK: Allows operator to easily check fuel level before starting work.