Description
Overview:
This throttle return spring is a Genuine Villiers OEM component designed for BSA 320CC and BSA 420CC industrial engines. Made from robust spring steel, it provides reliable tension to return the throttle lever to idle, helping the engine run smoothly and safely under load and at rest. The helical coil with hook ends fits the existing throttle linkage without modification, maintaining correct response and control. Supplied as unused old stock, it may show light tarnishing from storage, but remains fully functional. Referenced under OEM No. 86 655, it is suitable for servicing, repair, or restoration of vintage BSA industrial engines used across site and workshop machinery where dependable throttle control is essential.
Key Features:
- Genuine Part: Villiers OEM quality for assured compatibility
- Direct replacement referenced by OEM No. 86 655 for a precise fit
- Durable spring steel for stable, long-lasting tension
- Restores positive return-to-idle for safer engine operation
- Designed for continuous industrial use; resists fatigue
- Hook-ended coil for straightforward installation on the throttle linkage
- Ideal for maintenance and restoration of vintage BSA engines
- Unused old stock; cosmetic ageing possible but performance sound
Typical Applications:
Used to maintain consistent throttle return on BSA 320cc and 420cc industrial engines in site, workshop, and agricultural settings. Suitable for engines driving static or portable machinery where a dependable idle return is essential for control and safety. Helps remedy sluggish throttle response, sticking linkages, or poor idle caused by worn or weakened springs.
Also known as:
Throttle spring, throttle closing spring, accelerator return spring, carburettor throttle spring, governor/throttle linkage spring, return-to-idle spring for BSA industrial engines.
Fits Models:
BSA 320CC, BSA 420CC
Alternate Part Numbers:
86 655, 86655
Product Specifications
| L&S Part No. | 86 655 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| Unit of Sale | 1 |
| Applications | BSA 320CC, BSA 420CC |
| Machine Type | Engines |
| Fits Brands | Villiers |
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