fits year: 1936–1955.

( Brand: Lucas ), ( Manufacturer Part Number: 4VRA ), ( Part Type: Magneto ), ( Country/region Of Manufacture: United Kingdom )
The Lucas Magneto 4VRA is a vintage automotive ignition system, specifically designed for vehicles manufactured between 1936 and 1955, including the British Salmson model. This magneto is a testament to the engineering prowess of the past, delivering reliable and efficient spark to ignite the engine's fuel-air mixture.
The 4VRA magneto is a four-stroke, two-pole design, which means it provides two electrical impulses per engine revolution. This configuration ensures a strong, consistent spark that is essential for efficient combustion and optimal engine performance. The magneto is mounted directly on the engine, making it a self-contained system that does not require external power sources or battery charging.
The Lucas Magneto 4VRA features a robust and durable construction, with a high-quality cast aluminum housing that is resistant to corrosion and wear. The ignition coil and spark plug terminal are securely mounted within the housing, ensuring a reliable connection and minimizing the risk of electrical arcing or failure.
The magneto is operated by a camshaft-driven mechanical switch, which engages and disengages the primary and secondary windings of the coil in a precise and timed sequence. This mechanism ensures that the spark is delivered at the optimal moment, just as the fuel-air mixture enters the combustion chamber.
The Lucas Magneto 4VRA is a valuable addition to any vintage car restoration project or classic vehicle enthusiast's collection. It not only provides reliable ignition but also adds a touch of nostalgia and authenticity to the vehicle. With proper maintenance and care, this magneto can provide many years of reliable service, ensuring that your vintage British Salmson continues to run smoothly and reliably.
Pros of buying a 1936-1955 Lucas Magneto 4vra for a British Salmson:1. Historical value: These magnetos have a long history in the motorcycle world, especially in the UK. Owning one could be a source of pride for vintage motorcycle enthusiasts.
2. Functionality: The Lucas Magneto 4vra is a reliable and durable piece of equipment, known for its high-quality craftsmanship. If properly maintained, it can provide reliable ignition for your British Salmson.
3. Availability of parts: Due to their popularity and longevity, there are still many parts available for these magnetos. This makes it easier to find and replace worn-out or broken components.
4. Replacement cost: Compared to modern ignition systems, the cost of repairing or replacing a Lucas Magneto 4vra can be relatively low.
Cons of buying a 1936-1955 Lucas Magneto 4vra for a British Salmson:1. Complexity: These magnetos can be quite complex to understand and maintain. They require specific knowledge and skills to diagnose and fix any issues.
2. Limited performance: While the Lucas Magneto 4vra is reliable, it may not offer the same level of performance as modern ignition systems. This could be a disadvantage if you are looking for improved engine performance.
3. Limited compatibility: Depending on the specific model of your British Salmson, the Lucas Magneto 4vra may not be the best fit. You may need to modify your engine to accommodate the magneto, which could involve additional costs and labor.
Conclusion:Buying a 1936-1955 Lucas Magneto 4vra for a British Salmson can be a great choice for vintage motorcycle enthusiasts who value history, reliability, and affordability. However, it's important to consider the complexity and potential limitations of these magnetos. If you're comfortable with maintaining and working on vintage equipment, and you're not looking for the latest in performance technology, then a Lucas Magneto 4vra could be a good fit for you. Alternatively, you might consider a modern ignition system that offers better performance and ease of use, but may require a higher initial investment. Ultimately, the best choice will depend on your personal preferences and needs as a motorcycle owner.
Fits british salmson and mg Page Peg engines Lucas 4VRA type:dc27 magneto for 4-cylinder engine. Overall good condition, magnets, appears to be operational but not tested, cap rotor included.