Description
Overview:
This Pilot Needle Screw Spring is a genuine Villiers part for S22 and S24 carburettors, supplied under OEM number V749E. Made from durable metal spring wire, it provides the correct tension on the pilot (idle) needle screw so the fuel mixture is regulated accurately at low engine speeds. This helps maintain a stable idle and smooth throttle response on small petrol engines using Villiers carburettors. Suitable for classic and vintage equipment powered by Villiers units commonly found in garden machinery and light construction tools. As unused old stock, the spring is new and functional, though minor cosmetic tarnish may be present. Genuine Villiers manufacturing ensures the correct fit and operation within the carburettor body for reliable, repeatable adjustment.
Key Features:
- Genuine Villiers component (OEM V749E) for assured compatibility and fit
- Durable spring steel construction resists fatigue and deformation in service
- Maintains pilot needle screw preload to keep mixture settings stable at idle
- Aids precise fuel metering on the pilot circuit for easier starting and smooth low‐speed running
- Helps prevent screw movement from vibration during normal engine operation
- Direct replacement for the original spring; straightforward to fit with standard tools
- Correct specification for Villiers S22/S24 families and other listed variants
- Unused old stock; may show light tarnishing that does not affect performance or life
Typical Applications:
Used during carburettor service, rebuilds, or fault rectification where idle quality is poor, the screw drifts out of adjustment, or the original spring is lost or weakened. Common on Villiers-powered lawn mowers, rotavators, stationary engines, small generators, compact mixers, and other light plant and garden machinery relying on S‐series carburettors.
Also known as:
Pilot spring, needle spring, carb spring, idle mixture screw spring, pilot mixture spring, tickover screw spring, carburettor mixture screw spring.
Fits Models:
S19, S22, S22/2, S222, S24, S25, S25/4, S254
Alternate Part Numbers:
V749E
Product Specifications
| L&S Part No. | V749E |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | V749E |
| Unit of Sale | 1 |
| Applications | S19, S22, S22/2, S222, S24, S25, S25/4, S254 |
| Machine Type | Engines |
| Fits Brands | Villiers |
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