Features
- 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. - Built in the USA
A majority of STIHL gasoline-powered units sold in the United States are built in the United States from domestic and foreign parts and components. - 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. - Adjustable front handle
Adjusts for comfort. - 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. - 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 Arrestor Muffler
Has large baffles which reduce noise level and contains a screen designed to reduce the emission of sparks. - Trimmer Line
There's high-performance STIHL trimmer line for every operating condition. - Trimmer Heads & Blades
Many trimmer heads and blades are available. Find out which ones to use with this model in this chart. - Straps and Harnesses
They distribute the load from your hands to your shoulders. They also help reduce operator fatigue and make it easier to use trimmers, brushcutters and clearing saws for extended periods. - Gearbox Attachments
Gearbox attachments are available for this model. View the interchangeable gearbox chart to find out which attachments work with this model.
Specifications
| FS 91 R Specifications - Professional Use | |
| POWER SOURCE | Gas |
| WEIGHT | 12.1 lbs. |
| CUTTING WIDTH | 16.5 in. |
| ENGINE POWER | 1.27 bhp |
| FUEL CAPACITY | 24.0 oz. |
| DISPLACEMENT | 1.73 cu. in. |
| Note: Weight displayed does not include cutting attachment or deflector. | |
