fits model: R1, Yzf1000. make: Yamaha. year: 1999.

( Manufacturer Part Number: 4XV-W1742-00-00 ), ( Part Type: Transmission Fork )
The **Yamaha 4XV-W1742-00-00 R1 Transmission Forks** are a precision-engineered, high-performance component designed exclusively for the **YZF1000R**, a motorcycle renowned for its cutting-edge technology, aggressive styling, and exhilarating ride. These transmission forks are a critical part of the R1 s **Ride Control System (RCS)**, a revolutionary suspension technology that dynamically adjusts damping and rebound characteristics in real time to optimize handling across a wide range of riding conditions. Crafted from Yamaha s proprietary **aluminum alloy**, these forks are built to deliver exceptional durability, stiffness, and responsiveness while maintaining a lightweight profile to enhance agility and maneuverability. The **R1 transmission forks** feature Yamaha s advanced **dual-tube design**, combining the best of both single-tube and conventional designs to provide superior damping performance, reduced heat buildup, and a more refined ride quality. Each fork incorporates **Yamaha s patented "Y-Fork" technology**, which integrates the steering head and suspension into a single, unified unit, improving rigidity and reducing flex for sharper, more precise cornering. The forks are also equipped with **adjustable rebound and compression damping**, allowing riders to fine-tune the suspension to their specific weight, riding style, and track demands. Whether tackling high-speed straights, aggressive turns, or technical twists, these forks ensure a balanced, engaging, and controlled riding experience. The **4XV-W1742-00-00** part number denotes a direct OEM replacement, ensuring an exact fit with the original equipment specifications, including the **R1 s signature 43mm diameter fork tubes** and **120mm travel**, which contribute to the bike s sporty, nimble character. Built to withstand the rigors of both street and track use, these forks are a testament to Yamaha s commitment to innovation and performance, making them an essential upgrade for enthusiasts seeking to push the boundaries of their R1 s capabilities.
**Pros and Cons of buying a Yamaha 4XV-W1742-00-00 (R1 Transmission Forks for YZF1000)**
### **Pros:**1. **OEM Quality and Compatibility** This is an original Yamaha part designed specifically for the YZF-R1, ensuring a perfect fit and seamless integration with the bike s suspension system. OEM components are built to the manufacturer s exacting standards, which can improve reliability and performance compared to aftermarket alternatives.
2. **Enhanced Ride Quality** The R1 s suspension forks are engineered for high performance, offering precise damping, quick response, and superior handling. Upgrading to these forks (if replacing worn or damaged ones) can restore or improve the bike s ride feel, cornering stability, and overall comfort.
3. **Durability and Longevity** Yamaha s suspension components are known for their robustness, especially in high-performance motorcycles. These forks are designed to withstand the stresses of aggressive riding, track use, and long-distance touring, reducing the likelihood of premature failure.
4. **Maintenance and Adjustability** The R1 s forks feature adjustable preload and damping settings, allowing riders to fine-tune the suspension to their weight, riding style, and track conditions. This customization can significantly enhance performance, whether for street riding or racing.
5. **Resale Value** Keeping the bike stock or using genuine Yamaha parts can help maintain its resale value, as buyers often prefer fully stock or minimally modified bikes, especially in the high-performance segment.
6. **Warranty Coverage** If purchased new or from an authorized dealer, these forks may still be under warranty, providing peace of mind against defects or premature wear.
7. **Aesthetic Consistency** Using OEM parts ensures the bike retains its factory appearance, which is important for enthusiasts who prioritize the R1 s sleek, aggressive design.
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### **Cons:**1. **High Cost** Genuine Yamaha parts, especially for high-performance bikes like the R1, are expensive. The price of these forks can be significantly higher than aftermarket alternatives, which may offer similar or even superior performance at a lower cost.
2. **Limited Customization** While the forks are adjustable, they are not as customizable as some aftermarket options, which may offer a wider range of damping settings, spring rates, or even entirely different fork designs (e.g., inverted forks, adjustable air forks).
3. **Potential for Wear Over Time** Like any suspension component, these forks will eventually wear out, especially with heavy or aggressive use. Replacing them may become necessary after thousands of miles, incurring additional costs.
4. **Installation Complexity** Fork replacement requires removing the front wheel, adjusting the steering head, and ensuring proper alignment. While not overly difficult, it does require mechanical skill, tools, and time. If the rider lacks experience, hiring a professional may add to the cost.
5. **Market Availability** Depending on location, these parts may not always be readily available, especially if the bike is no longer in production. Purchasing from a dealer or authorized seller may limit options or increase lead times.
6. **Overkill for Mild Riding** If the rider primarily uses the bike for casual commuting or light street riding, the performance benefits of these high-end forks may not be fully utilized. In such cases, aftermarket forks with slightly softer damping could suffice at a lower cost.
7. **Weight Consideration** While not significant, the weight of the OEM forks contributes to the bike s overall mass. Some riders may prefer lighter aftermarket alternatives for improved agility, though the difference is minimal in the R1 s case.
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### **Conclusion:**The Yamaha 4XV-W1742-00-00 transmission forks for the YZF-R1 are a high-quality, reliable, and performance-oriented choice for riders who prioritize OEM integrity, precision handling, and long-term durability. They are ideal for those who want to maintain the bike s stock character, enhance its ride quality, or restore worn components to factory specifications. However, the high cost and limited customization compared to aftermarket options may deter budget-conscious riders or those seeking more aggressive tuning.
For most serious R1 owners especially those who ride aggressively, track regularly, or value the bike s stock performance the investment in these forks is justified. If the primary goal is cost savings or extreme customization, aftermarket alternatives (e.g., hlins, Showa, or brands like Rinspeed or Dida) may be worth considering. However, for the average enthusiast, the OEM forks strike a balance between performance, reliability, and authenticity.
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### **Recommendation:** - **Buy the Yamaha OEM forks if:**- You want to maintain or restore the R1 s stock performance and appearance.
- You prioritize reliability, OEM quality, and warranty coverage.
- You plan to ride the bike aggressively or on the track, where precise suspension tuning is critical.
- You are comfortable with the higher cost and have the budget for genuine Yamaha parts.
- **Consider aftermarket alternatives if:**- You are on a tighter budget and can find comparable performance at a lower price.
- You seek more extensive customization options (e.g., adjustable air forks, different damping curves).
- You plan to heavily modify the bike and want flexibility in suspension choices.
- You primarily ride casually and don t need the R1 s full performance potential.
Ultimately, the decision depends on your riding style, budget, and priorities. For most R1 owners, the OEM forks are a worthwhile investment, but it s worth researching aftermarket options to ensure you re making the best choice for your specific needs.
Gears and teeth have only light wear. Items are shipped using USPS, UPS, and FedEx. Comes as pictured. Was removed from a 1999 Yamaha R1 YZF1000 with 42862 miles.
Transmission is in good condition. Forks are straight.