fits make: Yamaha. year: 1999–2001.

( Manufacturer Part Number: 5JG00 ), ( Part Type: Cylinder )
The YZ426F/WR426F, manufactured by Yamaha in the years 1999, 2000, and 2001, is a powerful and innovative off-road motorcycle that stands out in the market. This model, equipped with a 426cc, 5-valve, 4-stroke, liquid-cooled, single-cylinder engine with a 5JG00 cylinder, delivers an impressive performance.
The YZ426F is renowned for its high-performance engine, which boasts a high compression ratio and a wide powerband. This engine is mated to a 5-speed transmission, ensuring smooth and precise gear shifts, allowing riders to make the most of the engine's power.
The WR426F, on the other hand, is designed with enduro racing in mind. It features a long-travel suspension system, with a KYB Piggyback Shock at the rear and a KYB Speed-Sensitive System Inverted Fork at the front. This suspension setup provides excellent traction, stability, and control, making it ideal for challenging off-road conditions.
Both models feature a lightweight aluminum frame, which is both rigid and flexible, providing excellent handling and maneuverability. The YZ426F and WR426F also share a cast aluminum swingarm, improving traction and control during cornering.
The YZ426F and WR426F are equipped with powerful braking systems, featuring a 270mm floating disc brake at the front and a 245mm disc brake at the rear. This ensures reliable stopping power, even in the most demanding off-road conditions.
The bike's ergonomics are designed for comfort and control. The wide handlebars and adjustable footpegs allow riders to find a comfortable riding position, while the fuel tank's generous 2.9-gallon capacity ensures long rides without refueling.
The YZ426F and WR426F are also equipped with a digital tachometer and speedometer, providing riders with essential information at a glance. The bikes also come with a kickstarter, ensuring easy starting in any condition.
In conclusion, the YZ426F and WR426F are powerful and versatile off-road motorcycles that deliver an unmatched riding experience. Whether you're a seasoned off-road racer or a weekend warrior, this bike's high-performance engine, advanced suspension, and comfortable ergonomics make it an excellent choice.
The YZ426F-WR426F, a 2001-1999 model Yamaha motorcycle, is a powerful and agile off-road bike with a 5-cylinder engine. Here are some pros and cons to consider before making a purchase:
Pros:1. Powerful engine: The 5-cylinder engine delivers impressive power, making it suitable for off-road racing and advanced riders.
2. Agile handling: The motorcycle has a lightweight frame and excellent suspension, allowing for precise handling and control in various off-road terrains.
3. Reliability: Yamaha is known for its durability, and the YZ426F-WR426F is no exception. With proper maintenance, it can last for a long time.
4. Resale value: Due to its popularity and high performance, the YZ426F-WR426F retains a good resale value.
Cons:1. High maintenance cost: The motorcycle requires frequent maintenance, which can be costly due to its complex engine and advanced components.
2. Limited comfort: Off-road bikes are not designed for long-distance riding or comfort. The YZ426F-WR426F is no exception, with a rigid seat and minimal wind protection.
3. Not suitable for beginners: The powerful engine and advanced handling make this motorcycle suitable for experienced off-road riders.
4. Limited availability: Due to its age, finding spare parts and servicing may be challenging.
In conclusion, the YZ426F-WR426F is an excellent choice for experienced off-road riders looking for a powerful and agile bike. Its high performance, reliability, and good resale value make it a worthwhile investment. However, potential buyers should be aware of its high maintenance cost, limited comfort, and potential difficulty in finding spare parts.
Recommendation: If you have the budget and experience to maintain the bike, and off-road racing is your passion, the YZ426F-WR426F is an excellent choice. If you are a beginner or prefer a more comfortable and affordable option, you may want to consider a different motorcycle.
Item is from a Yamaha yz426f dirt bike, cylinder and piston in good condition small blemish on inside of as seen picture it smooth to the touch fingernail does not catch. This is a plated cylinder. The cylinder is a good working condition no modification needed to be used.