Description
Overview:
The Throttle Valve Spring is a genuine Villiers replacement for AMAL 379 type carburettors used on Villiers and JAP engines. Made from durable steel as a tightly wound coil, it provides the correct return tension for the throttle slide, helping to maintain a steady idle and smooth throttle response under load. This spring is engineered for reliable operation in small plant, stationary engines, and garden machinery powered by Villiers or JAP engines fitted with AMAL 379 carburettors. Identified by OEM No. 308/038, it is a direct-fit part that supports consistent carburettor performance and longevity. A sound choice for routine servicing, carburettor rebuilds, and restoring correct throttle action on vintage or working machinery.
Key Features:
- Genuine Villiers part for assured compatibility with AMAL 379 carburettors
- Designed to deliver the correct throttle slide return tension for stable control
- Durable steel construction for long service life and reliable operation
- Helps maintain steady idle and smooth throttle pick-up across the rev range
- Direct replacement to OEM No. 308/038 for accurate fit
- Supports consistent carburettor tuning and response
- Resistant to fatigue and set when used within normal operating conditions
- Compact coil form factor for easy handling and placement
- Straightforward installation with no modification to the carb body
- Suitable for routine maintenance, repairs, and restorations of Villiers/JAP powered equipment
Typical Applications:
Used during carburettor servicing or rebuilds on Villiers and JAP engines fitted with AMAL 379 carburettors. Commonly applied to resolve weak throttle return, hunting idle, or sluggish response on stationary engines, compact construction equipment, and garden machinery. Ideal as a preventative maintenance item.
Also known as:
Throttle return spring, carburettor slide spring, carb slide spring, AMAL 379 throttle spring, Villiers carb spring, JAP throttle spring, throttle slide return spring.
Fits Models:
AMAL 379, AMAL379
Alternate Part Numbers:
308/038
Product Specifications
| L&S Part No. | 308/038 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | 308/038 |
| Unit of Sale | 1 |
| Applications | AMAL 379, AMAL379 |
| Machine Type | Engines |
| Fits Brands | Villiers |
