fits model: Yz80, Yz. make: Yamaha. year: 1977–1980.

( Manufacturer Part Number: 1T0-11111-00-00 ), ( Type: Cylinder Head )
The Yamaha YZ80 cylinder head (Yamaha 1T0-11111-00-00) is a crucial component of the iconic YZ80 two-stroke motorcycle, which was produced by Yamaha between 1977 and 1979. This cylinder head is a testament to Yamaha's engineering prowess and its commitment to delivering high-performance parts for its motocross bikes.
The YZ80 cylinder head is crafted from durable aluminum alloy, which not only reduces the weight of the engine but also allows for efficient heat dissipation. The head features a single overhead camshaft (SOHC) design, which is driven by a chain and operates two valves per cylinder, ensuring optimal combustion and power delivery.
The cylinder head is equipped with a 58mm bore and a 57.9mm stroke, resulting in a displacement of 79.5cc. The combustion chamber is designed to maximize the air-fuel mixture for efficient combustion, contributing to the bike's impressive power output.
The intake and exhaust ports are carefully engineered to ensure smooth airflow into and out of the combustion chamber. The intake port is designed to efficiently draw in the air-fuel mixture, while the exhaust port is designed to efficiently expel exhaust gases.
The cylinder head also features a high-compression piston, which contributes to the bike's lively power delivery. The piston is fitted with a lightweight, durable ring package to minimize friction and ensure long engine life.
In summary, the Yamaha YZ80 cylinder head (Yamaha 1T0-11111-00-00) is a vital component of the YZ80, delivering power, efficiency, and reliability. Its SOHC design, aluminum alloy construction, and carefully engineered intake and exhaust ports make it a standout part in the world of motocross.
Pros of buying a Yamaha YZ80 (1T0-11111-00-00) cylinder head from the 1977-1979 models:1. Historical Value: The YZ80 is a classic motocross bike with a rich history in the sport. Collectors and enthusiasts may be interested in owning a piece of motocross history.
2. Relative Affordability: Compared to newer models, vintage motorcycle parts like the YZ80 cylinder head can be relatively affordable, making them an accessible option for hobbyists.
3. Availability: Vintage parts are often readily available on the aftermarket, which can make sourcing and purchasing the cylinder head relatively easy.
Cons of buying a Yamaha YZ80 (1T0-11111-00-00) cylinder head from the 1977-1979 models:1. Availability of Compatible Parts: While the YZ80 is a classic, some parts may be difficult to find, especially if they have been discontinued or are no longer in production. This could lead to longer wait times or higher costs for replacement parts.
2. Wear and Tear: Vintage parts, including cylinder heads, may have experienced wear and tear over the years, which could result in reduced performance or increased maintenance costs.
3. Compatibility with Modern Bikes: If you are considering using the cylinder head for a modern bike, there may be compatibility issues, such as differences in engine size or mounting points, which could require additional modifications.
Conclusion:Buying a Yamaha YZ80 (1T0-11111-00-00) cylinder head from the 1977-1979 models can be an attractive option for collectors, hobbyists, and those looking for an affordable option. However, it's important to consider potential compatibility issues, availability of compatible parts, and the potential for wear and tear. If you are unsure about the condition or compatibility of the cylinder head, it may be worth consulting with a professional mechanic or researching the bike and its specific requirements thoroughly.
Recommendation:If you are considering buying a Yamaha YZ80 (1T0-11111-00-00) cylinder head from the 1977-1979 models, it's recommended that you research its condition and compatibility with your intended application thoroughly. Consider working with a professional mechanic who can provide guidance on the cylinder head's condition and potential issues, as well as any necessary modifications or upgrades. Additionally, it may be beneficial to research the aftermarket for compatible parts and pricing to ensure you are making an informed decision.
Verify your fitment as I'm not an expert.