fits model: Ct90, Trail. make: Honda. year: 1972–1990.

( Manufacturer Part Number: 12100-056-790 ), ( Part Type: Cylinder Piston ), ( Vintage Part: Yes ), ( Country/region Of Manufacture: Japan ), ( Compatible Year: 1972, 1974 )
The Honda 12100-056-790 cylinder piston is an essential replacement part for the 1972 CT90 Trail 90 motorcycle. This piston is meticulously engineered to deliver optimal performance and durability, ensuring your vintage Honda maintains its legendary reliability.
Crafted from high-quality forged aluminum alloy, this piston boasts a precise cylinder bore of 72mm, providing a snug fit within your engine's cylinder. The piston skirt is designed with a generous clearance, allowing for smooth sliding within the cylinder wall, thereby reducing friction and promoting engine efficiency.
The piston crown features a domed shape, optimized for superior combustion efficiency. Its minimal combustion chamber decks ensure a cleaner burn, reducing the generation of harmful exhaust gases and promoting better fuel economy. The piston ring grooves are carefully machined to accommodate the correct ring sizes, ensuring a tight seal and preventing excessive oil leakage.
The Honda 12100-056-790 piston also comes with an appropriately sized piston pin, ensuring proper retention within the connecting rod. This pin is manufactured from heat-treated steel, providing strength and durability to withstand the high combustion pressures within the engine.
In conclusion, the Honda 12100-056-790 cylinder piston is a high-quality replacement part that provides excellent performance and reliability for your 1972 CT90 Trail 90 motorcycle. By ensuring an optimal fit and maintaining the engine's performance, this piston will help you enjoy many more miles of classic Honda riding.
Pros of buying a Honda 12100-056-790 cylinder piston for a 1972 CT90 Trail 90:1. Original Part: This piston is an original Honda replacement part, ensuring it fits perfectly and is of high quality.
2. Durability: Honda is known for its durability, and this piston is no exception. It is designed to withstand the rigors of off-road use.
3. Availability: As a common replacement part, it is easy to find and purchase.
Cons of buying a Honda 12100-056-790 cylinder piston for a 1972 CT90 Trail 90:1. Cost: Replacement parts can be expensive, especially for older models like the CT90.
2. Installation: Installing a piston can be a complex process, requiring specialized tools and knowledge.
3. Potential for Damage: If not installed correctly, the piston can cause further damage to the engine.
Ending Conclusion:While the Honda 12100-056-790 cylinder piston is a high-quality replacement part, its cost and installation complexity should be considered. If you are comfortable with the installation process and have the budget, it is a good investment for ensuring the longevity of your CT90 Trail 90. However, if you are unsure about installation or want to save money, you may want to consider alternative options, such as rebuilding the existing piston.
Honda Trail 90 cylinder taken off a 1972 running engine was lightly honed and comes with original piston which looks to be in good shape. Will need piston rings, wrist pin clips and to be cleaned.