Stihl Power FS 91

• Built in the USA

Indicates products that are built in the United States from domestic and foreign parts and components.

• Reduced-Emission Engine Technology - Caring for Nature 

The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards.

• Shoulder Strap / Carrying System 

Using a shoulder strap or carrying system helps distribute the weight of the equipment for increased operator comfort and improved maneuverability.

• Bike Handle 

When used in conjunction with a harness, the bike handle allows the machine to be easily guided, enabling a smooth horizontal mowing action to cover large areas quickly and efficiently. With soft grips for increased comfort, the bike handle provides greater control and helps reduce operator fatigue.

• Multi-Function Control Handle 

Having easy access to all of the controls on one comfortable handle makes it easy to complete tasks so the operator’s hand never has to leave the handle.

• Tool-Free Handle Adjustment 

The central wing nut enables easy adjustment without the use of tools. For transportation and space-saving storage, the handle can be rotated 90°.

• Cutting Heads & Blades Selection Chart 

Need help selecting a cutting head or blade for your STIHL trimmer or brushcutter?

• Purge Pump Primer 

By pressing the bulb, this small fuel pump delivers fuel to the carburetor, reducing the number of starting pulls needed after an extended break between uses.

• Fully Lined Drive Shaft 

Provides smooth operation and less vibration.

• High Tech Polymer Housing 

Housings are lightweight, withstand greater impact and are corrosion-resistant.

• Protected Choke Lever/Knob 

Helps prevent damage.

• Start/Run/Stop Controls on Handle

• Throttle Trigger Interlock 

Must be depressed before the trigger can be activated.

• Air Filter Cover 

Easily removed for fast and easy filter cleaning or replacement.

• Protected or Enclosed Control Cables 

Eliminate dangling and loose wires.

• Heavy-Duty Steel-On-Steel Clutch 

Centrifugal clutch is designed to reduce slippage.

• Protected Spark Plug 

Protected yet easy to change.

• Protected Spark Arrestor Muffler 

Has large baffles which reduce noise level and contains a screen designed to reduce the emission of sparks.

• Upright Translucent Fuel Tank 

Allows operator to easily check fuel level before starting work. Upright position makes it easier to refill.