fits model: 650, Bonneville. make: Triumph. year: 1972.

( Brand: Amal ), ( Manufacturer Part Number: D3492 ), ( Engine Type: 4-stroke ), ( Machine Type: Street Motorcycle ), ( Oe/oem Part Number: D3491 ), ( Country/region Of Manufacture: United Kingdom )
Introducing the Amal D3492 carburetor, specifically designed for the iconic Triumph Bonneville T120V motorcycle produced in 1972 1/2, and compatible with the Triumph 650cc engine. This carburetor, a part of Triumph's rich heritage, brings together classic style and superior performance.
The Amal D3492 is a set of two concentric carburetors that delivers a smooth and balanced fuel-air mixture to the engine for optimal ignition and output. Each carburetor comes equipped with a 38mm venturi throat diameter, which enhances the engine's breathing capacity, resulting in improved power delivery and throttle response.
This carburetor set features floating bowls that accommodate slight engine movement and compensate for any variations in engine velocity. The synchronizers ensure that both carburetors maintain an equal fuel flow rate, minimizing the difference in vacuum between them, and the balance lever adjustment facilitates fine-tuning for a perfect balance at various engine speeds.
The Amal D3492 comes with utilitarian, chrome-plated bodies reminiscent of the classic appearance of Triumph motorcycles. Additionally, the carburetor kits include two syllabic choke mechanisms as standard equipment, ensuring an easy start in various weather conditions.
The comprehensive kit includes necessary accessories such as gaskets, float bowl minor jets, and needle jets to facilitate an easy and hassle-free installation process. With the Amal D3492, you can enjoy the reliable, authentic riding experience that Triumph enthusiasts have grown to appreciate from this legendary motorcycle manufacturer.
In summary, the Amal D3492 carburetor set is an excellent upgrade choice for those seeking to restore or upgrade their 1972 1/2 Triumph Bonneville T120V motorcycles, delivering superior performance and maintaining the classic aesthetic these machines are known for.
Buying a Triumph Bonneville T120V with Amal Concentric carburetors (Model D3492, 650CC, 1972 1/2) can offer several benefits and drawbacks for motorcycle enthusiasts. Here's a list of pros and cons to help you make an informed decision:
Pros:1. Classic Appeal: The Triumph Bonneville T120V is a classic motorcycle that retains its older-school charm. Many riders appreciate the classic look and feel of the bike, which sets it apart from newer models.
2. Carburetors: While some might consider carburetors a drawback, others prefer the "feel" of managing carbs. It provides more tactile feedback when adjusting the mixture and allows riders to fine-tune the engine for various riding conditions.
3. Affordability: Compared to modern models, the Bonneville T120V with Amal Concentric carburetors is generally more affordable. Both the purchase price and ongoing maintenance costs can be lower, making it an attractive option for budget-conscious riders.
4. Authentic Riding Experience: For purists and vintage enthusiasts, the Bonneville T120V provides an authentic and unaltered riding experience. Contrary to the common trend of modernizing old bikes, purchasing one with original carburetors preserves the true character and heritage of the motorcycle.
Cons:1. Complexity: Carburedtor-equipped motorcycles can be more complex to maintain, especially for beginners. The process of setting idle, synchronizing, and fine-tuning carburetors requires time and expertise that might deter some riders.
2. Fuel Efficiency: Carburetors tend to consume more fuel than modern fuel injection systems due to their inefficient design. This could result in more frequent fuel stops during longer rides and higher overall fuel consumption.
3. Emissions: Older carburetors contribute to higher emissions than newer, cleaner fuel injection systems. This could impact the environmental impact of riding the Triumph Bonneville T120V. However, it's essential to remember that regulations and technologies of the time restrict their ability to meet modern emission standards.
4. Hard-to-Find Spare Parts: Obtaining replacement spare parts for these carburetors, particularly older models, can be challenging and expensive. It's worth considering the availability of replacement parts before making the purchase.
Conclusion:The Triumph Bonneville T120V with Amal Concentric carburetors offers a unique, authentic riding experience that caters to classic motorcycle enthusiasts. While it may present some challenges and additional maintenance requirements, these can be offset by the motorcycle's affordability and classic charm. Ultimately, purchasing this bike depends on an individual rider's preferences, skill level, and commitment to the upkeep of the motorcycle. If you value the classic vintage motorcycle experience, the Bonneville T120V could be an excellent choice for you.
Recommendation: Before purchasing a Triumph Bonneville T120V with Amal Concentric carburetors, consider the following recommendations:1. Understand the commitment to the maintenance: Carburetors require more attention and expertise to maintain than fuel-injected systems. Familiarize yourself with the process of setting up and fine-tuning carbs and the associated costs.
2. Learn the basics of carburetor maintenance: Acquiring a solid understanding of the carburation basics (jetting, synchronization, float levels) is crucial for making any adjustments to the bike if needed.
3. Research the availability of spare parts: Make sure that spare parts for the Amal Concentric carburetors are readily accessible to prevent lengthy downtime due to a parts shortage.
4. Consider fuel efficiency and emission concerns: Be aware of the impact on fuel efficiency and emissions, and weigh these factors against the benefits of the authentic riding experience and vintage aesthetic.
5. Weigh the costs: Since carburetors may result in additional cost for maintenance and potential repairs, weigh these expenses against the overall purchase price and your budget for ongoing ownership.
Triumph 650 Amal 930 concentric carburetors off 1972 1/2 Bonneville T120V. Please look closely at the pictures and ask questions. Part # D3492 left carb D3491right. Slides show wear includes chokes ticklers compress and return.