fits model: Cb400a, Cm400a. make: Honda. year: 1978–1981.

( Manufacturer Part Number: 11331-417-000 ), ( Part Type: Engine Case ), ( Country/region Of Manufacture: Japan ), ( Part Age: Vintage ), ( Placement On Vehicle: Right )
The Honda CB400A/CM400A engine, model number 11331-417-000, is a classic, reliable powerhouse that hails from Honda's rich motorcycling heritage. This right-side engine was produced between 1978 and 1981, making it a sought-after piece for vintage motorcycle enthusiasts and restorers.
The CB400A/CM400A engine is a 397cc, air-cooled, four-stroke, SOHC (Single Overhead Camshaft) unit. It features a 4-valve per cylinder design, which aids in efficient combustion and power delivery. The engine's configuration includes a 5-speed transmission, ensuring smooth and controlled gear shifts.
The CB400A/CM400A engine is renowned for its robustness and reliability, thanks to its high-quality construction. The cylinder head is made from aluminum, which not only reduces weight but also aids in heat dissipation. The engine block is cast-iron, offering excellent durability and protection against external impacts.
The carburetor feeding system is a 32mm Mikuni, providing a balanced fuel-air mixture for efficient combustion and optimal performance. The engine's exhaust system is a 3-into-1 design, which not only adds to the engine's distinctive sound but also contributes to its overall power output.
This engine is a testament to Honda's engineering prowess and their commitment to producing reliable, high-performance engines. Whether you're looking to restore a classic Honda CB400A/CM400A or simply seeking a replacement engine, the 11331-417-000 Honda CB400A/CM400A engine is an excellent choice. With its rich history, iconic design, and unmatched reliability, this engine is more than just a power source; it's a piece of motorcycling heritage.
Pros of buying a 11331-417-000 Honda CB400A/CM400A engine (1978-1981):1. Reliability: Honda engines are known for their durability and reliability, making them a popular choice among motorcycle enthusiasts.
2. Availability of parts: As a classic model, parts for the CB400A/CM400A are generally easy to find, ensuring that repairs and maintenance are not overly expensive or difficult.
3. Power and performance: The 400cc engine provides a good balance of power and fuel efficiency, making it suitable for a variety of riding styles and conditions.
4. Affordability: Compared to newer models, the CB400A/CM400A engine is generally more affordable, making it an attractive option for budget-conscious buyers.
Cons of buying a 11331-417-000 Honda CB400A/CM400A engine (1978-1981):1. Age and wear: As a classic model, the engine may have suffered from wear and tear over the years, which could result in the need for expensive repairs.
2. Limited modern technology: The CB400A/CM400A engine lacks some of the modern features and technology found in newer engines, such as electronic fuel injection and advanced engine management systems.
3. Limited customization options: As a classic model, the engine may have limited options for customization, which could limit the ability to personalize the bike to meet individual preferences.
Conclusion:The 11331-417-000 Honda CB400A/CM400A engine (1978-1981) is a reliable and affordable option for budget-conscious buyers looking for a classic motorcycle engine. Its availability of parts and power and performance make it an attractive option, but its age and limited modern technology should be considered before making a purchase.
Recommendation:If you are looking for a classic motorcycle engine with good reliability and power, the 11331-417-000 Honda CB400A/CM400A engine (1978-1981) is a solid choice. However, it is important to thoroughly inspect the engine before purchasing to ensure that it is in good condition and to budget for any necessary repairs. Additionally, consider researching and purchasing a high-quality set of parts to ensure that the engine performs at its best.
Pulled off of a 1978 CB400A. Covers are in good shape but missing screws.