Description
Overview:
The Carburettor HD-50 is a genuine Stihl replacement part for selected professional chainsaws, including the MS461 and GS461. Built with a durable die‐cast metal body and factory‐grade internal components, it meters and mixes fuel and air to keep the engine starting reliably, idling steadily, and delivering full power under load. As part of the fuel system, a sound carburettor helps maintain clean acceleration and consistent cutting performance. This unit is engineered to the correct specification for the stated models and is a direct replacement for OEM No. 1128 120 0629. Its robust construction and precise calibration make it suitable for demanding forestry and construction environments where dependable performance and long service life are essential.
Key Features:
- Genuine Stihl part for assured fit and performance on specified models
- Direct replacement for OEM No. 1128 120 0629 to simplify maintenance
- Durable die-cast alloy body designed for tough professional use
- Precision fuel metering for smooth idle, crisp throttle response, and consistent power
- Engineered for efficient fuel/air mixing to support optimal engine efficiency
- Helps resolve hard starting, poor idle, bogging, and high fuel consumption linked to carb wear
- Compatible with standard 2‐stroke petrol/oil mixes as used by the MS461/GS461
- Supplied to the correct layout for straightforward installation and setup
- Supports reliable cold and hot restarts to reduce downtime
- Suitable for routine replacement during major servicing to restore performance
Typical Applications:
Used to restore correct fuel delivery on Stihl MS461 forestry chainsaws and GS461 construction cutter saws. Ideal when engines are difficult to start, surge at idle, hesitate on acceleration, or lose power under load. Helps maintain productivity in logging, arborist work, site clearance, and concrete or masonry cutting where stable performance is required.
Also known as:
Stihl HD‐50 carb, chainsaw carburettor, carb, fuel mixer, MS461 carburettor, GS461 carburettor, replacement carb for 2‐stroke Stihl saws, carburetor (US spelling) for Stihl 461 series.
Fits Models:
MS461, GS461
Alternate Part Numbers:
1128 120 0629, 11281200629, 1128-120-0629
Product Specifications
| L&S Part No. | 1128 120 0629 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11281200629 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part for MS461 and GS461 chainsaws - Direct replacement for OEM No. 1128 120 0629 - Durable die-cast alloy body for professional use - Precision fuel metering for consistent power - Compatible with standard 2-stroke petrol/oil mixes |
| Fits Models | MS461 | GS461 |


