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Professional Trimmers FS 91
If you’re a landscaping professional who uses their trimmer for mowing applications, grab the powerful STIHL FS 91 trimmer. Its bike-handle design adds greater comfort and leverage, thanks to its redesigned rubberized grips. The trimmer also features one touch stop and a simplified starting procedure enabled by the sem... + Read More
Features
- 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. - IntelliCarb™ Compensating Carburetor
The IntelliCarb™ Compensating Carburetor measures the air pressure on the clean side of the air filter and adjusts the metering diaphragm in the carburetor. This keeps the RPM at a consistent level, even when the air filter begins to clog. - Loop Handle (R)
Loop handle grass trimmers and brushcutters are ideal for trimming between bushes and shrubs and other areas where space is limited. - Anti-Vibration System
STIHL has 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. - Simplified Starting Procedure
To get started, simply pump the fuel primer, set the choke and pull the starter cord. The built-in stop switch allows the user to turn off the engine with a simple press of the button. When the engine is off, the throttle lock automatically returns to the “start” setting. Your power tool will be ready to be started when you’re ready to get back to work. - 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. - 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. - Gearbox Attachments
Gearbox attachments are available for this model. View the interchangeable gearbox chart to find out which attachments work with this model. - 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. - Trimmer Line
There's high-performance STIHL trimmer line for every operating condition. - Trimmer Heads & Blades
Many trimmer heads and blades are available.
Specs
| FS 91 Specifications - Professional Use | |
| POWER SOURCE | Gas |
| WEIGHT | 12.8 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. | |