Description
Overview:
This Choke Lever Toggle Spring is a genuine Villiers component for BSA industrial engines, designed to restore the correct tension and movement of the choke mechanism. Made from robust spring steel, it provides the controlled return needed for consistent cold starting and smooth running. It is specified for the BSA 320CC and BSA 420CC engines commonly used in industrial and site equipment. Supplied as new old stock (NOS), it may show light tarnishing or marks from storage, which does not affect performance. As an original part, it matches the factory geometry and feel, making it a reliable choice for maintenance or restoration. OEM number: 86 853. Brand: Villiers. Genuine Part.
Key Features:
- Genuine Villiers part for assured fit and function (OEM 86 853)
- Correct application for BSA 320CC and 420CC industrial engines
- Durable spring-steel construction for long service life
- Restores positive choke action and reliable cold starting
- Direct replacement that fits without modification
- Stable tension to prevent sticking or weak choke return
- Suitable for restorations and ongoing maintenance of vintage engines
- New old stock: may have cosmetic tarnish, performance unaffected
- Helps maintain consistent carburettor settings and idle quality
- Supports dependable operation in demanding site conditions
Typical Applications:
Used during carburettor and choke linkage servicing, routine engine overhauls, and vintage restorations where the choke lever is slow to return, lacks tension, or causes hard starting. Suitable for engines powering site tools such as mixers, pumps, generators, and light plant. Ideal when replacing fatigued or missing springs to recover original starting behaviour and reliable warm-up on BSA industrial engines.
Also known as:
Choke return spring, carburettor choke lever spring, choke toggle spring, BSA choke spring, choke linkage spring, carburettor choke return spring.
Fits Models:
BSA 320CC, BSA 420CC
Product Specifications
| L&S Part No. | 86 853 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| Unit of Sale | 1 |
| Machine Type | Engines |
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