Description
Overview:
The Throttle Valve Screw for Villiers F15 Engine is a genuine Amal component designed to restore precise throttle control on vintage machinery. Manufactured from robust metal to the original pattern, it engages the throttle valve (slide) to allow accurate idle and opening adjustment within the carburettor. This screw is suitable for Amal 519 applications and Villiers F15 engines, making it a practical choice for classic engine servicing and restoration. Supplied as unused old stock, it may show light tarnishing or storage marks while remaining fully functional. Marked with OEM No. 519/027 for straightforward identification, this part helps maintain smooth running and reliable response on period equipment where authenticity and correct fit are important.
Key Features:
- Genuine Amal part for assured compatibility with vintage setups
- OEM No. 519/027 for easy cross-checking and identification
- Durable metal construction for long service life
- Machined to the original pattern to suit Amal 519 and Villiers F15 applications
- Supports precise throttle slide adjustment for stable idle and clean pick-up
- Suitable as a direct replacement during carburettor overhaul or routine maintenance
- Unused old stock; may show minor patina without affecting performance
- Compact, straightforward design for simple fitting with basic hand tools
- Ideal for authenticity-led restorations where correct hardware matters
Typical Applications:
Used to set and retain throttle slide position in Amal 519 carburettors fitted to Villiers F15 engines and select classic machines. Common in restoration, recommissioning, and servicing work on vintage stationary engines and period motorcycles using compatible Amal equipment. Helps achieve consistent idle, smoother response off idle, and reliable running after carburettor cleaning, rebuilds, or when replacing missing or damaged hardware.
Also known as:
Throttle screw, throttle control screw, carburettor throttle screw, throttle slide screw, throttle valve adjuster screw. These terms are often used by restorers and parts catalogues to describe the same component that sets the slide position within the carburettor body.
Fits Models:
AMAL519, Amal 519, BSA, F15
Product Specifications
| L&S Part No. | 519/027 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Amal |
| OEM No. | 519/027 |
| Unit of Sale | 1 |
| Applications | AMAL519, Amal 519, BSA, F15 |
| Machine Type | Engines |
| Fits Brands | Amal, Villiers |
| Fits Models | F15 |

