| Displacement | 1.7 cu-in |
| Power | 0.95 kW |
| Engine power | 1.30 HP |
| Engine power | 1.30 bhp |
| Device weight without refuelling | 12 lb 1) |
The pictures shown are sample photos. The actual appearance of the equipment features and their specific attachment to the product may differ from the pictorial representations, but will have the same functionality.
Fulfilling the demanding landscaper’s trimming needs, the STIHL FS 91 R trimmer is the well-rounded choice for professionals. It features a low exhaust 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, the maneuverability needed to navigate obstacles, and the power to get the job done. The FS 91 R trimmer also has a simplified three-step start procedure that saves time and a superior air filter benefiting you in the long run.
Note: Not available for purchase or delivery in California

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. 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.
E-10 StatementNote: 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.
Proposition 65 - EnglishThis product contains chemicals known to the State of California to cause cancer and reproductive harm. www.P65Warnings.ca.gov