The STIHL FS 91 R is a professional-grade weed eater designed to meet the rigorous demands of landscaping professionals and serious gardeners. This trimmer combines power, efficiency, and user-friendly features to deliver exceptional performance in various trimming applications.
Key Features of the STIHL FS 91 R
- Engine Performance: Equipped with a 28.4 cc (1.73 cu. in.) engine delivering 0.95 kW (1.27 bhp) of power, the FS 91 R ensures robust performance for demanding tasks.
- Fuel Efficiency: The trimmer boasts a 24 oz. fuel tank, offering extended run times and reducing the frequency of refueling breaks.
- Ergonomic Design: A rubberized loop handle provides a comfortable grip, enhancing maneuverability around obstacles and reducing user fatigue.
- Simplified Starting: The FS 91 R features a three-step start procedure, streamlining the startup process and saving valuable time.
- Durable Build: With a fully-lined drive shaft and high-tech polymer housing, this trimmer is built to withstand rigorous use while minimizing vibration.
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Performance and User Experience
Users have praised the FS 91 R for its balance between power and weight. One reviewer noted that the trimmer “mowed through a 5′ x 5′ square of thick grass in 13.5 seconds,” highlighting its efficiency in tackling dense vegetation.
However, some users have pointed out that the FS 91 R is slightly heavier compared to other models, especially when the fuel tank is full. The trimmer weighs 12.1 lbs when empty, and the large fuel capacity adds to the overall weight during operation.
In terms of noise levels, the FS 91 R operates at 106 dB(A) at the ear and 80 dB(A) at 50 ft, making it one of the louder models in its category. Users are advised to wear appropriate hearing protection during use.
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User Reviews and Community Feedback
The FS 91 R has garnered positive feedback from users across various platforms. On Reddit, one user shared their experience:
“I bought this same one – love it – it was to cut a large amount of bamboo (4 tons). I used the fine tooth blade and it works amazing!”
Another user highlighted the trimmer’s fuel capacity and power:
“I chose the 91 because of the fuel capacity being about twice what the 70 can hold… and the power to get through shrubs and young honeysuckle trees with a brush blade on.”
FAQ
1. What type of fuel does the STIHL FS 91 R use?
The FS 91 R operates on a gas-oil mixture, specifically a 50:1 ratio of gasoline to two-stroke engine oil.
2. Can the FS 91 R accommodate different cutting attachments?
Yes, the FS 91 R’s solid steel drive shaft accepts a wide range of heavy-duty cutting heads, including metal blades, enhancing its versatility.
3. Is the FS 91 R suitable for residential use?
While designed for professional use, the FS 91 R can be used by homeowners who require a robust and reliable trimmer for extensive yard work.
4. How does the FS 91 R compare to the FS 70 R?
The FS 91 R offers a larger fuel capacity and more power compared to the FS 70 R, making it more suitable for heavy-duty tasks.
5. What maintenance is required for the FS 91 R?
Regular maintenance includes checking the air filter, spark plug, and fuel filter, as well as ensuring the proper fuel mixture is used.
In conclusion, the STIHL FS 91 R stands out as a powerful and reliable trimmer, well-suited for both professional landscapers and dedicated homeowners. Its combination of robust features, user-friendly design, and positive user feedback makes it a worthy consideration for those seeking a high-quality weed eater.
