Description
Overview:
The Villiers C12 Pilot Jet Adjusting Screw Spring (part number E4270) is a genuine Villiers compression spring for the pilot/idle mixture adjuster in Villiers carburettors. Made from durable metal spring wire with a bright finish, it maintains correct tension on the adjusting screw so your chosen setting stays secure, helping to achieve precise fuel metering at idle and low throttle. This small but essential component supports smooth running and reliable starting on classic Villiers-powered equipment. It is suitable for use on models including the B10/1 and C12 and is ideal for restoring or servicing vintage engines. Supplied as vintage, unused old stock; light storage tarnish may be present but does not affect function or fit.
Key Features:
- Genuine Villiers part E4270 for assured compatibility and correct fit
- Maintains stable tension on the pilot/idle mixture screw to prevent drift
- Supports accurate fuel flow adjustment for cleaner idling and smoother pickup
- Robust spring steel construction designed for long service life
- Sized specifically for the Villiers jet assembly to avoid guesswork
- Quick, straightforward installation during carburettor rebuilds or routine service
- Suitable replacement for missing, weakened, or distorted original springs
- Vintage unused old stock; functionally sound with possible light tarnish from age
- Helps reduce rough idle, stalling, and inconsistent low-speed running
- Ideal for classic engine restorations and ongoing maintenance
Typical Applications:
Used when servicing or rebuilding Villiers carburettors to restore the correct tension on the pilot/idle mixture screw. Replaces fatigued or lost springs to stabilise mixture settings on classic engines found in older machinery, small plant, and garden equipment powered by Villiers units.
Also known as:
Idle mixture screw spring, pilot mixture spring, mixture screw tension spring, carburettor adjuster spring, pilot adjust screw spring for Villiers engines.
Fits Models:
B10/1, B101, C12
Product Specifications
| L&S Part No. | E4270 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | E4270 |
| Unit of Sale | 1 |
| Applications | B10/1, B101, C12 |
| Fits Brands | Villiers |
| Fits Models | C12 |
Reviews
Ask a Question
Compatibility
Customers also bought
Related Products
-
![]()
Sump Plug for Villiers C12 Engine - E4104£3.80 £3.17 -
![]()
Villiers C12/F15 Carb Pilot Jet B10/1 28017£9.83 £8.19
