fits model: Yz400d. make: Yamaha. year: 1977.

( Manufacturer Part Number: 1W4-11111-00-00 ), ( Part Type: Cylinder Head )
The Yamaha YZ400D Cylinder Head, model number 1W4-11111-00-00, is a vital component of the iconic 1977 YZ400D motorcycle. This cylinder head is a testament to Yamaha's engineering excellence and its commitment to delivering high-performance parts.
Crafted from durable materials, this cylinder head is designed to withstand the rigors of off-road racing. It features a compact combustion chamber that enhances power output and improves fuel efficiency. The head also incorporates large, 36mm intake valves and 29mm exhaust valves, which allow for optimal air and fuel intake and exhaust, respectively, further boosting the engine's performance.
The cylinder head is equipped with a high-compression piston and a forged aluminum connecting rod, ensuring reliable power delivery and smooth operation. The cylinder head gasket is precision-machined for a perfect seal, reducing the risk of leaks and improving engine efficiency.
The YZ400D cylinder head is also easy to maintain, featuring readily accessible spark plug and valve adjustment points. It is designed to fit seamlessly onto the YZ400D engine, ensuring a hassle-free installation process.
In summary, the Yamaha YZ400D Cylinder Head (1W4-11111-00-00) is a high-quality, performance-enhancing part that will significantly contribute to the performance and longevity of your 1977 YZ400D motorcycle.
Pros of buying a Yamaha YZ400D 1977 cylinder head:1. Authenticity: This part is an original OEM (Original Equipment Manufacturer) part from Yamaha, ensuring it fits perfectly with your 1977 YZ400D.
2. High Quality: Yamaha is known for producing high-quality components, and this cylinder head is no exception. It should provide reliable performance and durability.
3. Easy Installation: As an original part, it should fit easily and without the need for extensive modifications.
4. Availability of Spare Parts: If you ever need additional parts for your motorcycle, having an original part means you can rely on Yamaha's spare parts catalog.
Cons of buying a Yamaha YZ400D 1977 cylinder head:1. Expense: Original parts are often more expensive than aftermarket alternatives.
2. Limited Availability: Due to the age of the motorcycle, this part may be harder to find and thus more expensive.
3. Potential Shipping Delays: If the part is not readily available, it may take longer to ship to you.
Ending Conclusion:While purchasing an original Yamaha YZ400D 1977 cylinder head comes with certain advantages, such as high quality and ease of installation, the high cost and potential limited availability may be a drawback for some. Ultimately, the decision to purchase this part depends on your specific needs, budget, and preference for original or aftermarket parts. If you value the assurance of an original part and can accommodate the cost, then this could be a good option for you. If you're looking for a more budget-friendly alternative, you may want to consider aftermarket parts.
Not repaired anywhere. Condition: Used. Mounting holes are in good shape. No cracks or breaks.
Part Number: 1W4-11111-00-00. Not bent or twisted. Threads are good. Some scuffs and scratches.