FS 91 R
A professional trimmer packed with features for simplified and convenient trimming.
Fulfilling the demanding landscaper’s trimming needs, the STIHL FS 91 R trimmer is the well-rounded choice for professionals. It features a low-emission engine and large fuel tank which provides 30% longer run times than the previous model. With its rubberized loop handle, this straight-shaft trimmer delivers a comfortable grip of product, the maneuverability needed to navigate obstacles and the power to cut them down. The FS 91 R trimmer also has a simplified three-step start procedure that saves users time, and a superior air filter benefitting you in the long run.
|FS 91 R Specifications - Professional Use|
|DISPLACEMENT||28.4 cc (1.73 cu. in.)|
|ENGINE POWER||0.95 kW (1.27 bhp)|
|WEIGHT*||5.5 kg (12.1 lbs.)*|
|FUEL CAPACITY||710 cc (24.0 oz)|
|*Without deflector and cutting attachment.|
WARNING! Improper use of any trimmer/brushcutter can cause serious or fatal injury. Read, understand and follow all safety instructions in your instruction manual. To reduce the risk of injury from blade contact, circular saw blades may be used on FS brushcutters that have a limitstop, a bicycle handle and double shoulder harness and not on FS brushcutters with a "J" handle or loop handle. Other rigid blades may be used on FS brushcutters having a bicycle handle, a "J" handle or a loop handle equipped with a barrier bar. To reduce the risk of eye injury always wear proper eye protection. Always use the appropriate deflector for the type of cutting attachment, as explained in your instruction manual.
Note: STIHL engine products with the Caring for Nature logo are cleaner than EPA Standards for exhaust emissions.
Note: STIHL recommends use of fuel with no more than 10% Ethanol content. Using fuel with greater than 10% Ethanol content may cause damage to your equipment and may void your STIHL warranty. Learn More…
WARNING! Improper use of any power tool may cause serious
or fatal injury. Read, understand and follow carefully the operating
and safety instructions in your instruction manual before using such products.
STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.
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
Indicates products that 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.
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 Arrestor Muffler
Has large baffles which reduce noise level and contains a screen designed to reduce the emission of sparks.
Common Features for Trimmers
View the features common to many STIHL trimmers.
You Will Also Need
*Double your warranty when you include STIHL HP Ultra Oil (six 2.6-oz. bottles) or STIHL MotoMix® premixed fuel (six 32-oz. cans or a 1-gal. container) with your STIHL product purchase. Double limited warranty protection applies to STIHL gasoline-powered products purchased and registered for personal non-income producing, family and household purposes only. Other restrictions apply. See dealer for details.
For Your Safety
Meets ANSI S3.19-1974 standard. Noise Reduction Rating (NRR) of 29 dB(A).
Available color: Orange
STIHL High Performance PRO Gloves are ideal for outdoor professionals that demand more from their hands. Elastic slip-on cuffs provide a snug, comfortable fit. Padded palm and knuckle guards protect against abrasion. Reinforced PVC grip overlays deliver a strong grip while enhancing durability.
Materials: Breathable spandex material, synthetic leather palms and fingers, thermoplastic rubber knuckle guards, elastic cuff, reinforced PVC at grip and wear points
Available sizes: M, L, XL
Help shield your eyes from the sun with these stylish Patterned Frame Glasses from STIHL. Featuring comfort-cushioned nose pads and polycarbonate impact resistant lenses, these frames will help keep you focused without fuss. Meeting ANSI Z87.1+ standards and delivering 99% UV protection, the lightweight STIHL Patterned Frame Glasses offer professional-grade protection.
STIHL Trimmers & Edgers, the Right Tools for the Job - Video
How to Wind a STIHL Trimmer Head - Video
Cutting Heads & Blades Selection Chart (PDF)
FS 91 R Instruction Manual (PDF)
Download Instructions on How to Rewind Your Trimmer Head (PDF)
Product Safety Manual (PDF)
STIHL Limited Warranty