Description
Overview:
The Ring Set Standard for Villiers MK40 Engine is a genuine Villiers spare designed to restore correct sealing between the piston and cylinder on vintage MK40 power units. Made from durable, precision-finished metal, the rings maintain compression and control oil, helping the engine start reliably and run smoothly. Supplied as unused old stock, this authentic part is produced to original factory specifications, making it well suited to accurate restorations and routine rebuilds. It is ideal for tradespeople, DIY users, and collectors keeping classic equipment in service. As a standard-size set, it is intended for engines with an unmodified standard bore. Typical machinery powered by the MK40 includes older garden and light construction equipment where dependable performance and long service life are important.
Key Features:
- Genuine Villiers part for assured compatibility and performance
- Standard-size ring set for engines with an original, standard bore
- Made to original specifications to help restore factory compression
- Unused old stock for authenticity; may have light storage tarnish that does not affect use
- Improves starting, throttle response, and overall engine efficiency
- Helps control oil consumption and reduce exhaust smoke
- Durable construction for long service intervals when correctly installed
- Suitable for professional rebuilds or careful DIY fitting with a ring compressor and basic hand tools
Typical Applications:
Used during top-end overhauls or full rebuilds of Villiers MK40 engines to fix low compression, hard starting, loss of power, or excessive oil use. Common on vintage lawn mowers, rotavators, small generators, pumps, and light site equipment still running MK40 units. Useful for preventative maintenance on engines showing ring wear or glazing.
Also known as:
Piston ring kit, compression rings, oil control rings, oil scraper rings, cylinder sealing rings, ring pack, piston sealing rings, top and second rings.
Fits Models:
MK40
Product Specifications
| L&S Part No. | MK40RSSTD |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | MK40RSSTD |
| Unit of Sale | 1 |
| Applications | MK40 |
| Machine Type | Engines |
| Fits Brands | Villiers |
| Fits Models | MK40 |
