fits model: Cb400, Cm400a. make: Honda. year: 1978–1981.

( Manufacturer Part Number: 12100-413-405 ), ( Type: Parts )
The Honda CB400/CM400A Cylinder, part number 12100-413-405, is an essential component for the classic Honda motorcycles produced between the years 1978 and 1981. This cylinder is designed specifically for the CB400 and CM400A models, ensuring a perfect fit and optimal performance.
The cylinder is made of high-quality aluminum alloy, providing excellent heat dissipation and reducing weight for enhanced agility. The cylinder bore measures 38.5mm x 51.5mm, making it suitable for engines with a displacement of 397cc. The cylinder features a squish bore design, which increases the compression ratio and improves combustion efficiency.
The Honda 12100-413-405 cylinder comes with a piston, rings, and gudgeon pin already installed. The piston is made of forged alloy steel, ensuring durability and strength. The rings include a compression ring, an oil control ring, and an expansion ring, all designed to provide efficient sealing and optimal engine performance.
The cylinder also includes a new cylinder head gasket, ensuring a proper seal between the cylinder and head for improved combustion efficiency and reduced exhaust leakage. The cylinder features a bore finish of 320 grit, ensuring a smooth surface for improved ring sealing and engine performance.
This replacement cylinder is an excellent choice for restoring or rebuilding a 1978-1981 Honda CB400 or CM400A motorcycle. By using a high-quality, factory-original replacement cylinder, you can ensure your motorcycle maintains its original performance, reliability, and longevity.
The Honda 12100-413-405 cylinder is a direct fit for the CB400 and CM400A models and comes with all necessary hardware for installation. It is recommended that the cylinder be installed by a professional mechanic to ensure proper installation and alignment.
By investing in a genuine Honda 12100-413-405 cylinder, you can restore your classic Honda motorcycle to its original glory while ensuring reliable and efficient performance for years to come.
The Honda CB400 and CM400A motorcycles, manufactured between 1978 and 1981, are known for their reliability and performance. However, their cylinders may wear out over time, leading riders to consider purchasing a replacement. In this analysis, we will discuss the pros and cons of buying a Honda 12100-413-405 cylinder as a replacement.
Pros:1. OEM Quality: The Honda 12100-413-405 cylinder is an original equipment manufacturer (OEM) part, ensuring a perfect fit and matching performance to your Honda CB400/CM400A.
2. Enhanced Performance: A new cylinder can lead to improved engine performance, delivering smoother throttle response and better fuel efficiency.
3. Reliability: Honda is known for producing high-quality components, and this cylinder is no exception. It is engineered to last and offers a long service life.
Cons:1. Cost: The OEM Honda 12100-413-405 cylinder can be more expensive than aftermarket alternatives.
2. Availability: Depending on your geographical location, it may take some time to source and receive the cylinder from Honda dealers or authorized service centers.
3. Installation: Installing a new cylinder requires specialized skills and tools. It is recommended to have it installed by a professional mechanic or Honda dealership to ensure proper installation and alignment.
Conclusion:The decision to buy a Honda 12100-413-405 cylinder for your 1978-1981 Honda CB400/CM400A motorcycle depends on your priorities. If you value OEM quality, reliability, and enhanced performance, this cylinder is an excellent choice. However, if you are concerned about the cost and availability, you may consider exploring aftermarket alternatives. Ultimately, it is essential to weigh the pros and cons and consult with a professional mechanic to determine the best solution for your specific situation.
Recommendation:If budget is not a constraint, and you want a cylinder that offers OEM quality, reliability, and performance, the Honda 12100-413-405 cylinder is a recommended choice. However, if you are looking for a more cost-effective solution, consider researching reputable aftermarket manufacturers and comparing their offerings to find a suitable alternative. Regardless of your decision, ensure that the installation is performed by a qualified professional to ensure optimal engine performance and safety.
Buyer should verify this is the exact part needed before purchasing.