fits model: Cb750. make: Honda. year: 1978.

( Brand: Keihin ), ( Manufacturer Part Number: PD42A ), ( Part Type: Carburetor )
The PD42A CB750 Carburetors are a vital component of the 1978 Honda CB750, manufactured by the renowned Japanese engine manufacturer, Keihin. These carburetors are designed to deliver a precise and consistent fuel-air mixture to the engine, ensuring optimal performance and efficiency.
The PD42A carburetors feature a 38mm throttle bore, which allows for a generous airflow, enhancing the engine's power and responsiveness. The carburetors are equipped with a vacuum secondary system, which improves power delivery and fuel economy by providing additional fuel to the engine under load.
The PD42A carburetors are renowned for their durability and reliability. The body is made of high-quality metal, ensuring resistance to corrosion and wear. The float chambers are fitted with a durable diaphragm, which ensures a consistent fuel level and prevents leaks. The carburetors also feature adjustable main and pilot jets, allowing for easy tuning to match the specific needs of your engine.
The PD42A carburetors are a popular choice among Honda CB750 enthusiasts due to their performance and ease of maintenance. They are easy to clean and service, with accessible fuel and air intake filters. The carburetors also feature a convenient external adjustment for the idle mixture, allowing for easy tuning to ensure a smooth engine idle.
In conclusion, the PD42A CB750 Carburetors are a high-quality, reliable, and performance-enhancing addition to your 1978 Honda CB750. Their durability, ease of maintenance, and adjustability make them a popular choice among Honda enthusiasts. Whether you're a casual rider or a dedicated enthusiast, these carburetors will provide you with the optimal performance and enjoyment from your classic Honda.
Pros of buying PD42A CB750 Carburetors (Keihin):1. Highly durable and reliable: Keihin carburetors are known for their durability and reliability, which makes them a popular choice among Honda CB750 owners.
2. Easy to find replacement parts: Due to their popularity, replacement parts for PD42A carburetors are readily available, making it easy to maintain and repair them.
3. Affordable: Compared to modern fuel injection systems, PD42A carburetors are generally more affordable to purchase and install.
Cons of buying PD42A CB750 Carburetors (Keihin):1. Requires more maintenance: Carburetors require more frequent maintenance than modern fuel injection systems to ensure proper fuel mixture and performance.
2. Sensitive to environmental conditions: Carburetors can be sensitive to changes in temperature, altitude, and fuel quality, which can affect performance and fuel efficiency.
3. Less precise than modern systems: Carburetors may not provide as precise fuel delivery as modern fuel injection systems, which can result in less efficient combustion and reduced power output.
Conclusion:If you are a Honda CB750 owner and are looking for a replacement carburetor, the PD42A is a reliable and affordable option. However, keep in mind that it requires more maintenance and may not provide the same level of precision as modern fuel injection systems. Ultimately, the decision to purchase PD42A carburetors depends on your personal preferences, budget, and willingness to maintain and troubleshoot the carburetor.
Recommendation:If you are comfortable with maintaining and troubleshooting carburetors, and value affordability and reliability, then PD42A carburetors are a great choice. However, if you prefer a more precise and low-maintenance fuel delivery system, you may want to consider upgrading to a modern fuel injection system.
Slides and choke move freely. Carbs will need to be tuned to your bike for optimal performance. Happy buying. These carburetors are in beautiful, fully working condition.
Please do your research. May fit other model's. These are a perfect set for someone doing a restoration as they came off a bike many years ago and have not been touched since. Up for sale is a gorgeous set of Keihin PD42A round slide carbs for a 1978 Honda CB750f.