Description
Overview:
This Adaptor for Main Jet Adjustment is a genuine Zenith part for classic carburettors, including the 24T-2 and C25. Made from precision‐machined metal, it provides the correct interface to set and fine‐tune the main jet, helping you achieve the right fuel mixture for smooth running. It is suitable for vintage engines often found in classic machinery and stationary plant, including many Villiers and JAP units. As unused old stock, it is ideal for restorations and period‐correct servicing. Some light tarnishing may be present from age, which does not affect performance. Choose this adaptor when you need an accurate, durable fitting to bring reliable, repeatable main jet adjustments back to your Zenith carburettor on older equipment.
Key Features:
- Genuine Zenith part for proper fit and function on specified carburettors
- Enables precise main jet adjustment for clean running and optimal power
- Robust metal construction for long service life in workshop and field use
- Suits restoration work on classic engines where authentic parts matter
- Helps stabilise mixture across load and speed ranges for dependable starting and response
- Straightforward to install using standard hand tools
- Unused old stock; any cosmetic tarnish is typical of age and does not impair use
- Compatible with common vintage setups found on Villiers and JAP engines
- Supports routine tuning after rebuilds, gasket changes, or seasonal servicing
- Backed by Zenith's original engineering for reliable alignment and sealing
Typical Applications:
Used during carburettor tuning and maintenance on classic machinery, stationary engines, mowers, pumps and light construction plant fitted with Zenith carbs. Ideal after engine overhauls, when changing jets, or when diagnosing mixture issues to restore smooth idle, clean acceleration and consistent running under load.
Also known as:
Carb adaptor, main jet adjuster, jet setting adaptor, carburettor tuning adaptor, jet fitting, fuel mixture adjuster, Zenith jet adaptor.
Fits Models:
Zenith 24T-2, 24T2, C25, JAP 3, JAP 4
Alternate Part Numbers:
012850
Product Specifications
| L&S Part No. | 012850 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Zenith |
| OEM No. | 012850 |
| Unit of Sale | 1 |
| Applications | 24T-2, 24T2, C25, JAP 3, JAP 4, JAP3, JAP4, Zenith 24 T-2 |
| Machine Type | Engines |
| Fits Brands | Zenith |
| Fits Models | Zenith 24 T-2 |
