| Displacement | 1.7 in³ |
| Engine power | 1.30 bhp |
| Idle speed, rated value | 2800 rpm |
| Device weight without refuelling | 13.2 lb 1) |
| Tank capacity | 24 fl oz |
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.
The STIHL FC 91 gives landscaping professionals the power to create crisp, clean edges that instantly elevate the look of sidewalks, walkways, and driveways. Its fuel-efficient, low-emission engine pairs with a large fuel tank to deliver 30% longer run times than the FC 90, helping crews spend more time edging and less time stopping to refuel. The depth-adjustment wheel makes it easy to dial in precise cutting depth, giving you the control needed to achieve consistent, professional results across every property.
Long days on the job are made easier by thoughtful STIHL engineering. The anti-vibration system helps reduce fatigue by minimizing vibration at the handle, while the vertical pleated air filter and STIHL-exclusive IntelliCarb™ technology help maintain strong performance even as conditions change. A semi-automatic choke lever simplifies starting, and the stop switch automatically returns to the start position when released, reducing the steps needed to get back to work. Finished with a durable skid plate that helps protect the gearbox during use, the FC 91 is built to deliver the clean finishing touches that set professional landscapes apart.
This Edger is Compatible with the following Blades:
Blade Ø 200x3.8 mm / 7 7/8" x 3/16" (4133 713 4104)

This product contains chemicals known to the State of California to cause cancer and reproductive harm. www.P65Warnings.ca.gov
General Power ToolImproper 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.