Description
Overview:
The Villiers B1320 Carb Pilot Jet Adjusting Screw is a genuine Villiers part designed to set the idle/pilot fuel mixture on B1320 carburettors found on classic JAP engines. Made from durable brass with a slotted head for a flat‐blade screwdriver, it allows precise, repeatable adjustments so the engine idles cleanly and picks up smoothly off-throttle. OEM reference 27369 confirms correct specification and fit. Suitable for workshop maintenance or on-site tuning, it is commonly used on engines powering older construction and garden machinery. As unused vintage old stock, the screw may show light tarnishing but remains functionally sound. Ideal for owners and restorers of JAP 3 and JAP 4 engines who need an accurate, like‐for‐like replacement to restore stable running and fuel efficiency.
Key Features:
- Genuine Villiers part for correct fit and function (OEM 27369)
- Brass construction resists corrosion and seizing in the carb body
- Fine thread for precise mixture control and stable idle quality
- Slotted head for easy adjustment with a standard flat‐blade screwdriver
- Helps reduce plug fouling and improve cold and hot starting
- Supports smoother throttle response and better fuel economy
- Direct like‐for‐like replacement; no modifications required
- Suitable for workshop servicing or quick field adjustments
- Sold individually for targeted repairs and maintenance
- Unused vintage old stock; appearance may show age without affecting performance
Typical Applications:
Used to set the pilot/idle mixture on vintage JAP-powered equipment such as site generators, pumps, compactors, small plant, stationary engines, mowers and rotavators. Useful for routine servicing, post-rebuild tuning, and restoring smooth idle and clean pick-up on classic machinery used in construction, agriculture, grounds care and general DIY projects.
Also known as:
Mixture screw, pilot screw, idle mixture screw, low‐speed mixture screw, pilot jet screw, carburettor mixture adjuster, idle circuit adjuster.
Fits Models:
JAP, JAP 3, JAP 4, JAP C25, JAP MK25
Alternate Part Numbers:
27369
Product Specifications
| L&S Part No. | 27369 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | 27369 |
| Unit of Sale | 1 |
| Applications | JAP, JAP 3, JAP 4, JAP C25, JAP MK25, JAP3, JAP4, JAPC25, JAPMK25 |
| Machine Type | Engines |
| Fits Brands | Villiers |
| Fits Models | MK25 / C25 | JAP 4, 3 |
