The FS 91 is a powerful and efficient petrol brushcutter engineered for tackling large areas of tough grass with ease. Fitted with an ergonomic bike handle, this model is ideal for extended use, enabling smooth, sweeping mowing motions and reducing operator fatigue.
Powered by the STIHL 4-MIX® engine, it delivers strong torque, low maintenance, and a distinctive, pleasant sound – all while meeting EU Stage V emissions standards. A larger fuel tank extends cutting time between refuels, making it perfect for demanding professional or agricultural use.
Key Features:
STIHL 4-MIX® Engine: Combines the benefits of 2-stroke and 4-stroke engines – lightweight, powerful, and low-maintenance with a fuel-efficient petrol-oil mix.
Manual Fuel Pump: Reduces starting effort, particularly after long breaks, for reliable restarts.
Long-Life Air Filter: Requires fewer changes, saving on maintenance time and costs.
Anti-Vibration System: Reduces vibrations felt in the handle for a more comfortable working experience over long periods.
Multi-Function Handle: All controls are within easy reach of one hand, for intuitive operation by left- or right-handed users.
Bike Handle: Ideal for covering large areas efficiently. Adjustable without tools and can be rotated 90° for compact transport and storage.
Stop Button: Automatically resets for quick engine restarts after breaks.
Rigid Drive Shaft: Delivers reliable power transmission even under heavy load.
Supplied as standard with the ADVANCE universal harness, AutoCut C 26-2 mowing head, and a GrassCut 230-2 metal blade, the FS 91 is a robust, versatile tool ready for tough cutting tasks.
FS 91 Petrol Brushcutter
Special Offer
Extend your domestic warranty from 2 to 3 years with the purchase of 5 litres of STIHL MotoMix® fuel alongside this product.
Technical Specifications
Standard cutting attachment AutoCut C 26-2 mowing head Displacement 28.4 cm³ Power 0.95 kW Engine power 1.3 HP CO2 877 g/kWh Device weight without refuelling 5.5 kg 1) Cutting circle diameter 420 mm Tank capacity 0.71 l Tank capacity 710 cm³ Device length without cutting tool 180 cm Sound pressure level 96 dB(A) 2) Sound pressure level 94 dB(A) 2) Sound power level 104 dB(A) 2) Sound power level 104 dB(A) 2) Vibration value on the left in right-handed operation 5.1 m/s² 3) Vibration value on the right in right-handed operation 5 m/s² 3)
1)without cutting tool and protection2)K-value according to Directive 2006/42/EC = 2.0 dB(A)
3)K-value according to RL 2006/42/EG = 2 m/s²
