fits model: It175. make: Yamaha. year: 1977–1979.

( Manufacturer Part Number: 1W21111100 ), ( Part Type: Cylinder Head ), ( Country/region Of Manufacture: Japan )
The Yamaha IT175 Cylinder Head, model number 1W21111100, is an essential component for any enthusiast or professional working on a 1977, 1978, or 1979 Yamaha IT175 motorcycle. This cylinder head is meticulously crafted to ensure optimal engine performance and longevity.
The cylinder head is made of high-quality aluminum alloy, providing excellent heat dissipation and durability. It features four valves per cylinder, which are actuated by a single overhead camshaft. This design allows for efficient intake and exhaust gas flow, resulting in improved power output and fuel efficiency.
The cylinder head also comes with fully adjustable valve tappets, enabling fine-tuning of the valve clearances for optimal engine performance under various operating conditions. The valve guides are made of high-tensile steel, ensuring minimal wear and providing a long service life.
The intake and exhaust ports are precision-machined to provide optimal gas flow, which improves combustion efficiency and power output. The cylinder head also features a press-in type spark plug, making it easy to replace and maintain.
In terms of dimensions, the cylinder head measures 210mm in length, 105mm in width, and 105mm in height. It is designed to fit perfectly with the IT175 engine, ensuring a seamless installation process.
In conclusion, the Yamaha IT175 Cylinder Head, model number 1W21111100, is an essential upgrade or replacement part for any IT175 motorcycle owner. Its high-quality construction, robust design, and precise engineering make it an excellent choice for improving engine performance and reliability.
Pros of buying Yamaha IT175 Cylinder Head (1W21111100) for 1977-1979 models:1. Availability: This specific cylinder head is relatively easy to find on the used market, which can make it more affordable than a new one.
2. Fitment: Since this is an original OEM part, it is guaranteed to fit your Yamaha IT175 perfectly, ensuring proper engine function and performance.
3. Quality: Yamaha is known for its high-quality components, so you can expect a durable and reliable cylinder head.
Cons of buying Yamaha IT175 Cylinder Head (1W21111100) for 1977-1979 models:1. Age: Being a used part, it may have some wear and tear, which could potentially lead to additional repairs or maintenance down the line.
2. Condition: Without thoroughly inspecting the cylinder head, you may not be aware of any hidden damages or issues.
3. Availability of replacement parts: If any parts on the cylinder head fail, it may be challenging to find replacements due to its age.
Conclusion:Buying a used Yamaha IT175 Cylinder Head (1W21111100) for 1977-1979 models can be a cost-effective option, but it comes with some risks due to its age and potential wear and tear. It is essential to inspect the cylinder head thoroughly before purchasing and consider the cost of any additional repairs or replacement parts that might be needed. If you're unsure about the condition of the cylinder head, it may be worth investing in a new OEM part for peace of mind and longevity. Ultimately, the decision depends on your budget, time, and willingness to take on potential repairs.
Recommendation:If you are looking for a cost-effective solution, a used Yamaha IT175 Cylinder Head (1W21111100) could be a viable option as long as you are willing to take on the potential risks and costs associated with it. If you prefer a more reliable and hassle-free solution, you may want to consider investing in a new OEM cylinder head.
Cylinder head off 1978 Yamaha IT175. Like new, no broken fins or dings.