fits model: Yz450f, 400f, Yz, Yfz, 450, Wr. make: Yamaha. year: 1998–2006.

( Manufacturer Part Number: 90105-104A7-00 ), ( Part Type: Bolt Head Cylinder )
Introducing the 1998-2006 Yamaha YZ450F, YZ400F, and YFZ cylinder bolts with a head size of 426F, specifically model numbers 90105-104a7-00 (04) and 90105-106a3-00. These bolts are designed to fit perfectly into the cylinder of these iconic Yamaha models, including the YZ450F and YZ400F from 1998 to 2005, and the YFZ from the same period.
These bolts are made from high-grade materials, ensuring durability and reliability. They are known for their strength and ability to withstand the rigors of off-road racing or recreational riding. The 426F head size ensures a secure fit, while the precise machining ensures that they will not strip or damage the threads during installation or removal.
The bolts are finished with a corrosion-resistant coating, protecting them from the elements and ensuring a long lifespan. This makes them an ideal choice for riders who want to maintain their bike in top condition, reducing the need for frequent replacements.
In addition to their strength and durability, these bolts are also known for their ease of use. They are designed to be installed and removed with minimal effort, saving you time and frustration. This is especially important for riders who need to make quick repairs or adjustments while out on the trail.
Overall, these cylinder bolts are an essential part of any Yamaha YZ450F, YZ400F, or YFZ. They are made to the highest standards of quality and reliability, ensuring that your bike performs at its best. Whether you're a professional racer or a weekend warrior, these bolts are a smart investment in the longevity and performance of your Yamaha.
Pros of buying 1998-2006 YZ450F, YZ400F, and YFZ cylinder heads:1. Durability: These cylinder heads are known for their robust construction and long-lasting performance, making them a reliable choice for off-road enthusiasts.
2. Compatibility: They are compatible with various Yamaha models, including YZ450F, YZ400F, and YFZ, making them a versatile option for owners of these motorcycles.
3. Availability: These cylinder heads are widely available in the market, which means they can be easily sourced from various online and offline retailers.
Cons of buying 1998-2006 YZ450F, YZ400F, and YFZ cylinder heads:1. Age: Being over two decades old, these cylinder heads may have some wear and tear, which may require additional maintenance and repair work.
2. Performance: While they are durable, they may not offer the same performance as newer cylinder heads, which have advanced technology and designs.
3. Fitment issues: Although they are compatible with various Yamaha models, there may be some fitment issues with newer models or aftermarket parts, which may require modifications.
Conclusion:If you're looking for a reliable and durable cylinder head for your classic or vintage Yamaha motorcycle, the 1998-2006 YZ450F, YZ400F, and YFZ cylinder heads are a good option. However, be aware of their age and potential performance limitations. It's also essential to ensure that they fit your specific motorcycle model and any aftermarket parts you may have installed.
Recommendation:Before making a purchase, do your research and check the condition of the cylinder head to ensure it's in good working order. It's also a good idea to purchase from a reputable seller to ensure the authenticity of the part. Additionally, consider the cost of any potential maintenance or repair work required to ensure the cylinder head performs optimally.
Should fit any 1998 to 2005 Yamaha Yz 400F 426F 450f four stroke motocross bike and 1998 to 2006 Wr 400F 426F 450f dirt bike satisfaction is guaranteed. Cylinder head bolts from a 2004 Yamaha YZ450F. No problems.
Bolt it in and go riding.
May fit other model's as well but I don't know for sure. Threads are in good shape. The bolts looks to be straight and in good shape.
Also fits the Yfz450 four Wheeler's. Includes all four bolts with washers as shown in the photo.