fits model: Yz490. year: 1983.

( Manufacturer Part Number: 23X-11111-00-00 ), ( Part Type: Cylinder Head )
The 23x-11111-00-00 YZ490 cylinder head is a high-quality replacement part for Yamaha's iconic YZ490 motorcycle. This cylinder head is a crucial component of the engine, responsible for the intake and combustion processes that power the bike.
The cylinder head is made from durable materials, designed to withstand the high-stress environment of a high-performance motorcycle engine. It features four valves per cylinder, with intake and exhaust valves made from high-tensile steel for optimal durability and performance. The valve guides are precision-machined for smooth operation and long-lasting performance.
The cylinder head also features a high-compression combustion chamber, which allows for efficient fuel-air mixture ignition and maximizes engine power output. The cylinder head is also equipped with a high-performance camshaft, which controls the opening and closing of the intake and exhaust valves, optimizing engine performance and efficiency.
The cylinder head is also compatible with Yamaha's YPVS (Yamaha Power Valve System) for improved engine response and power delivery. The YPVS system uses a butterfly valve to adjust the intake tract length, optimizing engine performance based on engine RPM and load.
In addition, the cylinder head is also equipped with a high-performance cooling system, which includes a water jacket and coolant passages, ensuring optimal engine temperature and preventing overheating.
Overall, the 23x-11111-00-00 YZ490 cylinder head is a high-quality replacement part that is designed to provide optimal performance and durability for the Yamaha YZ490 motorcycle. It is made from durable materials, features a high-compression combustion chamber, and is compatible with Yamaha's YPVS system for improved engine performance. With proper installation and maintenance, this cylinder head is sure to provide years of reliable service for your Yamaha YZ490.
Pros of buying a 23x-11111-00-00 1983 YZ490 cylinder head:1. Potential for restoration: If the cylinder head is in good condition, it could be a great opportunity for someone interested in restoring an old YZ490.
2. Availability: This specific part is hard to find, so buying it could be beneficial for someone looking to repair or restore their 1983 YZ490.
3. Potential for upgrade: If the cylinder head is in good condition, it could also be an opportunity to upgrade the engine of an old YZ490.
Cons of buying a 23x-11111-00-00 1983 YZ490 cylinder head:1. Unsure of condition: Without seeing the cylinder head in person, it's difficult to know its exact condition and if it needs any repairs or replacement parts.
2. Cost: Old parts like this can be expensive, especially if they need to be restored or repaired.
3. Fit and compatibility: There's a chance that the cylinder head may not fit perfectly or be compatible with the current engine of the 1983 YZ490.
Ending conclusion:Buying the 23x-11111-00-00 1983 YZ490 cylinder head can be a great opportunity for someone looking to restore or upgrade their old YZ490, but it's important to be aware of the potential cons such as the uncertain condition, cost, and fit and compatibility. It's recommended to do thorough research and consider seeking advice from a knowledgeable mechanic before making a purchase.
In good working condition YZ490 cylinder head part number 23x comes with mounting nuts, washers, upper mount bolt and spark plug.