Description
Overview:
This Crankshaft Gear (18-tooth) is a Genuine Villiers part for BSA industrial engines, designed to restore smooth, accurate timing and drive in classic machinery. Made from durable machined steel, it fits the crankshaft and meshes with the timing train to drive components such as the cam and governor, helping the engine run reliably under load. Supplied as unused vintage old stock, it may show light tarnish or storage marks, but it remains fully serviceable. Identified by OEM No. 86 60, it is suitable for maintenance and rebuilds on BSA 420 cc and 320 cc engines found across workshop, site, and agricultural equipment. A precise, like-for-like replacement, it preserves original performance and gearing while supporting long-term engine longevity.
Key Features:
- Genuine Villiers part for assured fit and compatibility on BSA 420 cc and 320 cc engines
- 18-tooth spur gear profile to match original timing ratio and operation
- Robust steel construction for excellent wear resistance and service life
- OEM reference 86 60 for easy identification during ordering and installation
- Unused old stock: may show cosmetic tarnish from age, with no effect on function
- Accurate machining supports smooth meshing and consistent timing
- Direct replacement for the original crankshaft gear to minimise downtime
- Straightforward to fit during routine servicing or full engine rebuilds
- Helps maintain correct valve/governor timing and stable running under load
- Suitable for restoring vintage industrial engines to dependable working condition
Typical Applications:
Used on BSA industrial engines powering equipment such as site generators, water pumps, concrete mixers, plate compactors, and agricultural or horticultural machinery. Ideal for preventative maintenance, repairs, and restorations where precise timing drive and long-term reliability are required.
Also known as:
Crank gear, timing gear (crank), crank pinion, timing pinion, engine drive gear, 18T crank gear, crankshaft timing gear.
Fits Models:
BSA 420CC
BSA 320CC
Product Specifications
| L&S Part No. | 86 60 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| Unit of Sale | 1 |
| Machine Type | Engines |
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