fits model: B25, Bsa. make: Triumph. year: 1971–1972.

( Manufacturer Part Number: 71-2195 ), ( Part Type: Cylinder Head ), ( Country/region Of Manufacture: United Kingdom )
The 71-2195 BSA B25 Triumph TR25 Cylinder Head is a high-quality replacement part designed for motorcycles manufactured between 1971 and 1972. This cylinder head is specifically made for the BSA B25 Triumph TR25 model and is an exact fit, ensuring a seamless installation process.
The cylinder head is crafted from premium materials, including cast iron for durability and heat resistance. It features four valves, two per cylinder, for optimal engine performance. The valve guide and seat are precision-machined, ensuring a snug fit and minimizing the risk of leaks.
The cylinder head also includes a set of inlet and exhaust ports, which are engineered to provide optimal airflow to and from the engine, thereby improving combustion efficiency and power output. The inlet and exhaust ports are finished with a smooth, polished edge to reduce turbulence and improve flow.
The cylinder head also features a competition-style camshaft, which is designed to provide a sharper intake and exhaust valve lift, resulting in increased power and torque. The camshaft is precision-ground and balanced to ensure smooth operation and minimize vibration.
In addition, the cylinder head includes a high-quality tappet block and a set of adjustable tappets, which allow for easy adjustment of the valve clearance to ensure proper engine performance. The tappet block is made from a durable material, such as aluminum or steel, to prevent wear and tear.
The 71-2195 BSA B25 Triumph TR25 Cylinder Head is a high-performance replacement part that is perfect for riders who want to improve the performance of their motorcycle. It is easy to install and comes with all necessary hardware, including bolts and gaskets. With its high-quality construction and precision-engineered components, this cylinder head is sure to provide many miles of reliable service.
Pros of buying BSA B25 Triumph TR25 Cylinder Head (71-72 D638):1. High-quality material: The cylinder head is made of high-temperature alloy steel, which is durable and long-lasting.
2. Designed for performance: The cylinder head is designed for high performance, with a large intake and exhaust port for better breathing.
3. Affordable: Compared to new cylinder heads, buying a used BSA B25 Triumph TR25 Cylinder Head (71-72 D638) can be an affordable option.
Cons of buying BSA B25 Triumph TR25 Cylinder Head (71-72 D638):1. Wear and tear: If the cylinder head is used, it may have wear and tear that could affect its performance.
2. Compatibility issues: There may be compatibility issues with other parts of the engine, especially if the cylinder head is from a different year or model.
3. Unknown history: Without knowing the history of the cylinder head, there is no way to know if it has been properly maintained or if it has any hidden issues.
Recommendation:Buying a used BSA B25 Triumph TR25 Cylinder Head (71-72 D638) can be a cost-effective option for those looking to upgrade their engine or replace a worn-out cylinder head. However, it is important to thoroughly inspect the cylinder head for any signs of wear and tear, and to ensure that it is compatible with your engine. Additionally, it is recommended to have the cylinder head professionally checked and serviced before installing it in your bike. Overall, if you are willing to invest some time and effort in finding a good quality used cylinder head, it can be a great way to improve your bike's performance without breaking the bank.
For sale at easel cycle repair.
We fix and sell British motorcycles. Bsa B25 cylinder head dirty but good. T25t 250 250cc Bsa B25 B25b B25t B25ss single worthy of repair restoration this sale includes the parts as shown only, no other are included 45 year old used - sold core to rebuilds pictured, aluminum and steel may have rust corrosion, dents, dings, scuffs, scrapes, scratches.