[Lifetime Warranty] FS 91 R Trimmer Carburetor Kit - Compatible with STIHL FS91R FS91 FC91 FS111 FC111 KM91R KM111R HT102 FC96 Trimmer Brushcutter 4180-120-0615 Carb
FS 91 R Trimmer Carburetor Kit
Key Features
- Complete replacement kit includes carburetor, air filter, fuel filter, fuel lines, grommet, primer bulb, and spark plug.
- Designed as a direct-fit replacement for the original equipment manufacturer part.
- Pre-calibrated from the factory; minor adjustments may be necessary for optimal performance based on altitude and fuel mixture.
Replaces / Cross-Reference Part Numbers
- 4180-120-0615
- 4180 120 0615
- 41801200615
Compatibility & Fitment
- STIHL Trimmers / Brushcutters: FS89, FS89R, FS91, FS91R, FS111, FS111R, FS111RX
- STIHL Edgers: FC91, FC96, FC111
- STIHL Kombi Engines: KM91, KM91R, KM111, KM111R
- STIHL Pole Pruners: HT102, HT103
When to Replace
- Engine fails to start or experiences difficult starting.
- Engine stalls frequently, idles roughly, or will not hold an idle.
- Noticeable loss of power or poor acceleration during operation.
- Fuel leaks from the carburetor body.
- Excessive black smoke emitted from the exhaust.
Installation Tips
- Verify compatibility with your specific model number before starting installation.
- Drain all fuel from the tank before servicing the fuel system.
- Document the routing of fuel lines and throttle linkage with photos before disassembly.
- It is recommended to replace the fuel filter and fuel lines when installing a new carburetor.
- After installation, check for fuel leaks and start the engine. Adjust idle and fuel mixture screws as needed for smooth operation.
Product Information
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[Lifetime Warranty] FS 91 R Trimmer Carburetor Kit - Compatible with STIHL FS91R FS91 FC91 FS111 FC111 KM91R KM111R HT102 FC96 Trimmer Brushcutter 4180-120-0615 Carb
[Lifetime Warranty] FS 91 R Trimmer Carburetor Kit - Compatible with STIHL FS91R FS91 FC91 FS111 FC111 KM91R KM111R HT102 FC96 Trimmer Brushcutter 4180-120-0615 Carb
FS 91 R Trimmer Carburetor Kit
Key Features
- Complete replacement kit includes carburetor, air filter, fuel filter, fuel lines, grommet, primer bulb, and spark plug.
- Designed as a direct-fit replacement for the original equipment manufacturer part.
- Pre-calibrated from the factory; minor adjustments may be necessary for optimal performance based on altitude and fuel mixture.
Replaces / Cross-Reference Part Numbers
- 4180-120-0615
- 4180 120 0615
- 41801200615
Compatibility & Fitment
- STIHL Trimmers / Brushcutters: FS89, FS89R, FS91, FS91R, FS111, FS111R, FS111RX
- STIHL Edgers: FC91, FC96, FC111
- STIHL Kombi Engines: KM91, KM91R, KM111, KM111R
- STIHL Pole Pruners: HT102, HT103
When to Replace
- Engine fails to start or experiences difficult starting.
- Engine stalls frequently, idles roughly, or will not hold an idle.
- Noticeable loss of power or poor acceleration during operation.
- Fuel leaks from the carburetor body.
- Excessive black smoke emitted from the exhaust.
Installation Tips
- Verify compatibility with your specific model number before starting installation.
- Drain all fuel from the tank before servicing the fuel system.
- Document the routing of fuel lines and throttle linkage with photos before disassembly.
- It is recommended to replace the fuel filter and fuel lines when installing a new carburetor.
- After installation, check for fuel leaks and start the engine. Adjust idle and fuel mixture screws as needed for smooth operation.
Original: $34.98
-65%$34.98
$12.24Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
FS 91 R Trimmer Carburetor Kit
Key Features
- Complete replacement kit includes carburetor, air filter, fuel filter, fuel lines, grommet, primer bulb, and spark plug.
- Designed as a direct-fit replacement for the original equipment manufacturer part.
- Pre-calibrated from the factory; minor adjustments may be necessary for optimal performance based on altitude and fuel mixture.
Replaces / Cross-Reference Part Numbers
- 4180-120-0615
- 4180 120 0615
- 41801200615
Compatibility & Fitment
- STIHL Trimmers / Brushcutters: FS89, FS89R, FS91, FS91R, FS111, FS111R, FS111RX
- STIHL Edgers: FC91, FC96, FC111
- STIHL Kombi Engines: KM91, KM91R, KM111, KM111R
- STIHL Pole Pruners: HT102, HT103
When to Replace
- Engine fails to start or experiences difficult starting.
- Engine stalls frequently, idles roughly, or will not hold an idle.
- Noticeable loss of power or poor acceleration during operation.
- Fuel leaks from the carburetor body.
- Excessive black smoke emitted from the exhaust.
Installation Tips
- Verify compatibility with your specific model number before starting installation.
- Drain all fuel from the tank before servicing the fuel system.
- Document the routing of fuel lines and throttle linkage with photos before disassembly.
- It is recommended to replace the fuel filter and fuel lines when installing a new carburetor.
- After installation, check for fuel leaks and start the engine. Adjust idle and fuel mixture screws as needed for smooth operation.
















