fits model: Yz400, Yz, 400. make: Yamaha. year: 1998–1999.

( Brand: Ufo ), ( Manufacturer Part Number: 98YZWBLUE ), ( Country Of Manufacture: Italy ), ( Part By Region: Asian )
The 1998-1999 Yamaha YZ400, specifically the kit with the UFO designation 98YZWBLUE KIT UFO YZ400, is a powerhouse of a motorcycle that will satisfy the needs of any serious off-road enthusiast. This iconic model from Yamaha's YZ series is renowned for its exceptional performance and advanced engineering.
The 1998-1999 YZ400 features a potent 398cc liquid-cooled, 4-stroke, single-cylinder engine that delivers an impressive power output. The engine is equipped with a Mikuni carburetor, which ensures precise fuel delivery for optimal performance. The bike's advanced piston design and high-compression cylinder head contribute to its strong and consistent power delivery, making it a formidable force on the trail.
The 1998-1999 YZ400 boasts an aluminum frame that is both lightweight and robust, providing excellent handling and maneuverability. The frame is complemented by a well-designed suspension system, featuring a KYB adjustable front fork and a KYB adjustable rear shock, both with remote reservoirs. This configuration ensures a smooth ride, providing ample control and stability even in the most challenging off-road conditions.
The UFO (Uniflow) kit, which is included in this model, is a Yamaha-developed system that improves engine breathing and combustion, thereby enhancing power and torque. The kit includes a redesigned intake tract, a larger exhaust pipe, and a high-flow air filter. These modifications result in an increase in engine performance, making the 1998-1999 YZ400 an even more formidable off-road machine.
The 1998-1999 YZ400 comes equipped with a 26-inch front wheel and a 21-inch rear wheel, both wrapped in high-quality Dunlop tires. The bike's aggressive tread pattern and robust construction provide excellent traction and grip, allowing you to tackle any terrain with confidence.
The 1998-1999 YZ400 features a stylish blue color scheme with distinctive UFO decals, ensuring that you will stand out on the track. The bike's ergonomic design, with a comfortable seat and adjustable handlebars, ensures that you will remain comfortable during even the longest off-road excursions.
In conclusion, the 1998-1999 Yamaha YZ400 with the UFO kit is a high-performance off-road motorcycle that delivers power, durability, and style in equal measure. With its advanced engine, lightweight frame, and superior suspension system, this model is the perfect choice for any serious off-road enthusiast.
Pros of buying a 1998-1999 Yamaha YZ400:1. Reliability: The YZ400 is known for its robustness and durability, making it a reliable choice for off-road enthusiasts.
2. Power: Equipped with a powerful 398cc, four-stroke engine, the YZ400 offers excellent acceleration and top speed, making it a capable machine for various off-road terrains.
3. Handling: The YZ400 features a lightweight chassis and advanced suspension systems, providing excellent handling and maneuverability.
4. Parts Availability: Being a popular and well-established model, the YZ400 has an extensive aftermarket support, making it easy to find replacement parts and modifications.
Cons of buying a 1998-1999 Yamaha YZ400:1. Age and Wear: Being a late-90s model, the YZ400 may have accumulated some wear and tear, which could require maintenance or repairs.
2. Technical Complexity: The YZ400, being a high-performance off-road bike, may require a certain level of technical knowledge to maintain and repair.
3. Cost: While the YZ400 is not the most expensive off-road bike, the cost of purchasing, maintaining, and repairing can add up over time.
Conclusion:The 1998-1999 Yamaha YZ400 is a reliable and capable off-road bike, offering excellent power, handling, and parts availability. However, potential buyers should be aware of the potential wear and tear, technical complexity, and cost associated with owning an older off-road bike.
Recommendation:If you are an experienced off-road rider with a good understanding of motorcycle maintenance and repairs, the 1998-1999 Yamaha YZ400 could be a great choice for you. Its reliability, power, and handling make it a capable machine for various off-road terrains. However, if you are a beginner or have limited technical knowledge, it may be more practical to consider a newer or more user-friendly off-road bike.
Includes shrouds, front fender, rear fender, and side number plates.