fits model: Yz125. make: Yamaha. year: 1978–1979.

( Manufacturer Part Number: 3R900 ), ( Machine Type: Off-road Motorcycle ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front ), ( Engine Type: 2-stroke ), ( Type: Air Cooled Head ), ( Manufacturer Warranty: No ), ( Oe/oem Part Number: 2x3-11111-00-00 ), ( Country/region Of Manufacture: Japan )
The Yamaha YZ125 Cylinder Head, part number 2x3-11111-00-00, is a critical component for the iconic 1978 and 1979 Yamaha YZ125 motorcycles powered by the legendary 3R900 engine. This cylinder head is meticulously crafted to deliver optimal performance and reliability.
The cylinder head is manufactured using high-quality materials and precision machining processes to ensure a perfect fit and optimal engine function. The combustion chamber design is optimized for efficient air and fuel mixture intake and combustion, resulting in increased power output and improved engine efficiency.
The cylinder head features a multi-angle valve seat design for improved sealing and reduced valve wear, ensuring longer engine life and reduced maintenance costs. The valve guides are precision-machined for smooth valve operation, reducing friction and improving engine performance.
The cylinder head also features a high-flow intake and exhaust port design, which allows for improved air and fuel flow, resulting in increased power output and improved engine performance. The exhaust port is designed for optimal exhaust flow, reducing backpressure and improving engine efficiency.
The cylinder head also features a durable and reliable valve train system, including high-quality valves, valve springs, and retainers, ensuring reliable operation and reduced maintenance costs. The valve adjustment system is also easy to access and adjust, making maintenance a breeze.
In summary, the Yamaha YZ125 Cylinder Head, part number 2x3-11111-00-00, is a high-quality and reliable component for the 1978 and 1979 Yamaha YZ125 motorcycles. It is designed to deliver optimal performance and reliability, with features such as a multi-angle valve seat design, high-flow intake and exhaust port design, and a durable and reliable valve train system. Whether you're a weekend warrior or a professional racer, this cylinder head is an essential upgrade for your YZ125 motorcycle.
Pros of buying Yamaha YZ125 Cylinder Head (2x3-11111-00-00) from 1978 or 1979 models (Yamaha 3R900):1. Availability: Replacement parts for older models like the YZ125 are often more readily available than parts for newer models, which can make finding a cylinder head easier.
2. Cost: Older parts are generally less expensive than their newer counterparts, which can save you money.
3. Compatibility: Since the YZ125 was a popular and long-lived model, there is a good chance that the cylinder head will be compatible with other parts of your Yamaha 3R900, making installation easier.
4. Historical value: Collectors may appreciate the historical value of an original part from a classic model.
Cons of buying Yamaha YZ125 Cylinder Head (2x3-11111-00-00) from 1978 or 1979 models (Yamaha 3R900):1. Quality: Older parts may not be in as good of condition as newer parts, and may require more maintenance or replacement more frequently.
2. Fit and function: Older parts may not fit or function as well as newer parts, which can lead to performance issues or mechanical failures.
3. Availability of technical support: Older parts may not have as much technical support available to help with installation or troubleshooting.
4. Limited performance: Older parts may not have the same performance capabilities as newer parts, which can impact the overall performance of your Yamaha 3R900.
Ending conclusion:If you are looking for a cost-effective replacement for your Yamaha 3R900's cylinder head, and you are comfortable with the potential trade-offs in quality and performance, an original YZ125 cylinder head from 1978 or 1979 may be a good option for you. However, it is important to carefully research the part and ensure that it will fit and function properly in your Yamaha 3R900 before making a purchase. Additionally, you may want to consider purchasing a rebuilt or remanufactured cylinder head to ensure that it is in good condition and will provide reliable performance.
Recommendation:If you are unsure about whether to purchase an original YZ125 cylinder head for your Yamaha 3R900, I recommend considering a rebuilt or remanufactured cylinder head instead. This will give you the benefits of a new part, such as improved performance and reliability, while still being more cost-effective than purchasing a new cylinder head from Yamaha. Additionally, a rebuilt or remanufactured cylinder head will have been thoroughly inspected and tested to ensure that it fits and functions properly in your Yamaha 3R900.
This cylinder head is a genuine Yamaha product, made in Japan, and comes with no manufacturer warranty. It is suitable for the front placement on vehicle and a vintage part that adds character to your collection. The OE/OEM part number is 2X3-11111-00-00 and the manufacturer 3R900. Perfect for those who are looking a replacement part their Yamaha motorcycle or collectors want to add genuine vintage collection.
Made of high-quality aluminum, this air-cooled head is from the 1978-1979 YZ125 model and has a 2-stroke engine type. This vintage Yamaha cylinder head is a perfect addition for any off-road motorcycle enthusiast.