Choke Torsion Spring on B1320 Carb Villiers C45 C28 C25 JAP 4/3 5.2 – 25207

Description

This choke torsion spring is a genuine Villiers part for B1320 carburettors, used on classic small engines such as the Villiers C45 and JAP 4. Made from robust spring steel, it provides the rotational force that returns and holds the choke plate, giving smooth and reliable choke operation for easier cold starts and stable running. Supplied as unused vintage stock, it suits restorers and maintainers of period engines found on garden and light construction machinery. The coiled, twin‐leg design matches the original specification for positive engagement on the choke shaft and lever. Genuine Part (MPN: 25207) for assured fit and function on the correct carburettor models, helping preserve authenticity and performance in classic Villiers and JAP power units.

Key Features:
– Genuine Villiers part for B1320 carburettors (MPN: 25207) for correct fit and operation
– Durable spring steel construction for consistent torsion and long service life
– Positive choke return and holding force for reliable cold starting and smooth warm‐up
– Unused vintage stock, suitable for faithful restorations and period-correct repairs
– Compact coiled form with twin legs for straightforward placement on the choke spindle and linkage
– Stable performance helps reduce stalling and rich running caused by weak or missing springs
– Designed for classic Villiers and JAP engines commonly used in garden and light industrial equipment
– Easy to fit with basic hand tools; no modifications required when used on the correct carburettor
– A practical preventive maintenance item to restore proper choke control on older engines
– Supports authenticity while maintaining everyday usability of classic machinery

Typical Applications:
Replacement or restoration of the choke mechanism on vintage Villiers and JAP engines using B1320 carburettors. Common when the choke action is weak, the spring is missing, or the engine struggles to start cold. Suitable for classic mowers, cultivators, pumps, generators, cement mixers, and other small plant powered by these engines.

Also known as:
Choke return spring, carburettor torsion spring, B1320 choke spring, choke lever spring, carb choke spring, choke shaft spring.

Fits Models:
C25, C28, C45, JAP 3, JAP 4, JAP 5.2, MK25

Alternate Part Numbers:
25207

Product Specifications