Description
Overview:
The High Speed Adjustment Screw for Stihl FS94 brushcutters (OEM No. 4149 122 6700) is a genuine Stihl spare designed for precise carburettor tuning on modern 2‐stroke engines. Made from robust, fuel‐resistant polymer, it provides fine control over the high‐speed setting so the engine reaches the correct top rpm under load. This helps maintain strong cutting performance and protects against over‐revving. Built to withstand vibration and regular servicing, it offers reliable, repeatable adjustment during maintenance. Ideal for the Stihl FS 94 and FS 94 C, as well as compatible hedge trimmers and Kombi engines listed below, this part supports efficient operation and consistent results for both professional users and home maintenance.
Key Features:
- Genuine Stihl part for assured fit and reliability
- OEM number 4149 122 6700 for easy identification
- Precise control of high‐speed carburettor setting for optimal performance
- Durable, fuel‐resistant construction suited to workshop and site use
- Resists vibration for a stable and consistent tune in operation
- Helps restore full power, clean acceleration, and cutting efficiency
- Aids regular servicing to support engine health and longevity
- Straightforward to fit and replace during routine maintenance
Typical Applications:
Used when tuning the engine after air filter or spark plug changes, carburettor cleaning, or seasonal service. Helpful for achieving correct maximum rpm when switching cutting heads or blades, or when ambient temperature and altitude affect the tune. Suitable for trade users, grounds teams, and DIY owners maintaining Stihl FS94 series brushcutters and compatible hedge trimmers and Kombi engines.
Also known as:
Speed screw, high‐speed screw, H screw, high‐speed adjuster, carb tuning screw, mixture adjuster (high circuit), adjustment bolt, carburettor high‐side screw.
Fits Models:
FS 94, FS 94 C, FS 94 R, FS 94 RC, KM 94 R, KM 94 RC, HL 91 K, HL 91 KC, HL 92 C, HL 92 KC, HL 94, HL 94 C, HL 94 K, HL 94 KC
Alternate Part Numbers:
4149-122-6700, 41491226700
Product Specifications
| L&S Part No. | 4149 122 6700 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 41491226700 |
| Unit of Sale | 1 |
| Machine Type | Brushcutters, Long Reach Hedgetrimmers |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part ensures correct fit for FS94 brushcutters - OEM number 4149 122 6700 for easy identification - Precise high-speed carburettor control for optimal engine performance - Fuel-resistant polymer construction withstands workshop and site conditions - Compatible with FS 94, FS 94 C, and listed models |
| Fits Models | FS94, FS94 C, FS94R, FS94RC | KM94R, KM94RC | HL91K, HL91KC | HL92C, HL92KC | HL94, HL94C, HL94K, HL94KC |
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