fits model: Yz400f, Yz400, Evo. make: Yamaha. year: 1979.

( Manufacturer Part Number: 2X5-11111-00-00 ), ( Part Type: Plug Cylinder Head )
The 2x5-11111-00-00 is a dual plug cylinder head specifically designed for the iconic Yamaha YZ400F. This cylinder head is a part of the YZ400 Evo series, making it a perfect upgrade or replacement for your classic YZ400F.
The dual plug design offers improved engine performance and efficiency. Each plug is responsible for igniting half of the cylinder, allowing for more precise combustion and a smoother power delivery. This results in increased horsepower, improved throttle response, and better fuel efficiency.
The cylinder head is made from high-quality materials, ensuring durability and reliability. It features precision-machined ports and combustion chambers for optimal air and fuel mixture intake, promoting better combustion and more efficient power output.
Installing this cylinder head in your YZ400F is straightforward, thanks to its direct replacement design. It fits perfectly in your existing engine, making it a hassle-free upgrade. The cylinder head also comes with all necessary hardware, ensuring a seamless installation process.
In summary, the 2x5-11111-00-00 dual plug cylinder head is a must-have upgrade for any YZ400F enthusiast. It not only enhances performance but also adds a touch of modernity to your classic bike. So why wait? Upgrade your YZ400F today with this top-of-the-line cylinder head.
Pros of buying 2x5-11111-00-00 1979 YZ400F Dual Plug Cylinder Head (YZ400 Evo) by Yamaha:1. Authenticity: This part is an original Yamaha part, which means it is manufactured by the company itself and is designed to fit perfectly into your 1979 YZ400F.
2. Reliability: Yamaha is a reputable brand known for its high-quality products. This dual plug cylinder head is likely to be durable and perform well.
3. Compatibility: This part is specifically designed for the 1979 YZ400F, ensuring a perfect fit and optimal performance.
Cons of buying 2x5-11111-00-00 1979 YZ400F Dual Plug Cylinder Head (YZ400 Evo) by Yamaha:1. Price: Original parts, especially from reputable brands like Yamaha, can be expensive. This may not be an option for those on a tight budget.
2. Availability: Since this is a specific and older part, it may be harder to find in stock or may take longer to ship, especially if ordering from an online retailer.
Conclusion:If you value authenticity, reliability, and compatibility, and are willing to pay a premium for those qualities, the 2x5-11111-00-00 1979 YZ400F Dual Plug Cylinder Head (YZ400 Evo) by Yamaha is a solid choice. However, if cost is a concern, you may want to consider alternative options, such as aftermarket parts or rebuilt used parts.
Recommendation:Based on the pros and cons, I would recommend this part to enthusiasts who value the benefits of an original Yamaha part and are willing to pay for it. For those looking for a more cost-effective solution, I would suggest researching alternative options and weighing the trade-offs between cost, quality, and compatibility.
Excellent condition head exclusively for the 1979 YZ400F. If you foul a plug, simply hold down the kill switch and over plugs then release while bike is still in motion. Combustion chamber and spark plug threads in great condition. This head has been modified for dual spark plugs.
This is a great modification. I've had to do this while racing and didn't lose my position.