**Villiers 26A and 26B: The Quintessential Post-War British Two-Stroke**

**Introduction**

The Villiers 26A and 26B single-cylinder, two-stroke engines were ubiquitous powerplants in post-World War II British motorcycles, scooters, and light commercial vehicles. These rugged and reliable engines earned a reputation for excellent fuel economy, effortless starting, and exceptional durability.

**Design and Engineering**

The Villiers 26A and 26B shared a common design philosophy, featuring a compact and lightweight aluminum alloy crankcase and cylinder head. The crankcase incorporated a unique "loop scavenge" system, ensuring efficient scavenging of exhaust gases and a clean air/fuel mixture.

**Technical Highlights**

* **Displacement:** 249cc for the 26A and 247cc for the 26B
* **Bore and Stroke:** 68mm x 68mm
* **Compression Ratio:** 6.5:1
* **Carburetor:** Villiers "Tickler" with 20mm venturi
* **Ignition:** Series-wound magneto flywheel
* **Transmission:** Enclosed, three-speed gearbox with hand-operated clutch
* **Final Drive:** Chain

**Performance and Handling**

The Villiers 26A and 26B engines delivered a smooth and torquey powerband, ideal for both urban and rural riding conditions. The lightweight and compact design contributed to exceptional handling and maneuverability.

**Applications**

The versatility of the Villiers 26A and 26B engines made them popular in various applications, including:

* **Motorcycles:** British brands such as BSA, Norton, and Triumph
* **Scooters:** Lambretta and Vespa
* **Light Commercial Vehicles:** Reliant Regal and Bond Minicar

**Legacy and Impact**

The Villiers 26A and 26B engines left an enduring mark on the British vehicle industry. Their reliability, efficiency, and durability made them a cornerstone of post-war transportation. Today, these iconic engines continue to inspire enthusiasts and collectors around the world.

Villiers 26A amd 26B Partsand operation manual..

Full Villiers Parts manual
Illustrated with diagrams aaaand picturs.
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Full parts list with part numbers
Every nut and bolt covered.


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