fits model: Yz125, Yz250. make: Yamaha. year: 2007–2026.

( Manufacturer Part Number: 2410990003 ), ( Type: Chain Guide ), ( Country Of Origin: Japan )
The **Yamaha YZ125/YZ250 Acerbis 2.0 Chain (Part #2410990003)** is a meticulously engineered, high-performance replacement chain designed to elevate the handling, durability, and overall performance of Yamaha s iconic YZ125 and YZ250 motocross bikes from the **2008 through 2026 model years**, with compatibility extending back to the **2007 S88 model** for those seeking a seamless upgrade. Crafted from Yamaha s proprietary **Acerbis 2.0 technology**, this chain represents a significant leap forward in both strength and longevity, featuring a **high-tensile steel core** reinforced with a **patented X-ring design** that minimizes chain stretch and wear while maintaining razor-sharp engagement with the sprocket teeth. The **low-friction, self-lubricating X-ring links** reduce internal friction, allowing for smoother power delivery and extended chain life, even under the most demanding off-road conditions. Ideal for riders pushing the limits of acceleration, cornering, and aggressive riding styles, this chain is built to withstand the rigors of motocross, enduro, and trail riding with minimal maintenance, ensuring consistent performance from the first lap to the last. Whether you're a professional racer, a weekend warrior, or a dedicated trail enthusiast, the **Yamaha Acerbis 2.0 Chain** delivers the precision, reliability, and durability required to keep pace with your bike s full potential. Its **OEM fitment** guarantees an immediate drop-in installation, eliminating the need for adjustments or modifications, while its **superior wear resistance** helps prevent premature sprocket damage a common issue with lower-quality aftermarket chains. Backed by Yamaha s reputation for innovation and precision engineering, this chain is not just an upgrade; it s a performance-enhancing essential for any rider demanding the best from their YZ125 or YZ250.
### **Pros and Cons of Buying a Yamaha YZ125/YZ250 Acerbis 2.0 with the Specified Chain (2007 2026 Models)**
#### **Pros:**1. **Reliability and Durability** Yamaha s YZ125 and YZ250 engines are well-regarded for their longevity, especially when maintained properly. The Acerbis 2.0 chain is a high-quality aftermarket option designed to reduce wear and improve performance over stock chains.
2. **Performance Upgrade** The Acerbis 2.0 chain is engineered to reduce friction, improve chain life, and enhance power delivery compared to standard chains. This can make the bike feel more responsive, especially in aggressive riding conditions.
3. **Compatibility with Modern Models** The chain is designed to fit a wide range of Yamaha YZ models from 2007 onward, including the YZ125 and YZ250, as well as other brands like the S88 (if it uses a similar sprocket setup). This makes it a versatile upgrade for older and newer bikes.
4. **Reduced Maintenance Needs** Acerbis chains are known for their durability, which can mean fewer chain replacements and less frequent adjustments, saving time and money in the long run.
5. **Aftermarket Support** Yamaha s older dirt bikes still have a strong aftermarket presence, meaning parts, upgrades, and tuning options are widely available.
6. **Cost-Effective Upgrade** Compared to full engine rebuilds or major component swaps, upgrading to an Acerbis 2.0 chain is a relatively inexpensive way to improve performance and reliability.
7. **Smooth Operation** The chain s design helps reduce chain stretch and skipping, leading to a smoother ride and better handling, particularly in high-speed or aggressive riding scenarios.
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#### **Cons:**1. **Initial Cost** While the Acerbis 2.0 chain is a worthwhile upgrade, it will cost more upfront than a standard OEM chain. However, the long-term savings in wear and tear may justify the expense.
2. **Installation Complexity** If the buyer lacks mechanical experience, installing the chain may require professional help, adding to the cost. Proper installation is critical to avoid premature wear or damage.
3. **Compatibility Verification Needed** Although the chain is designed for a broad range of Yamaha models, it s essential to confirm that the sprocket setup on the specific bike (e.g., YZ125, YZ250, or S88) matches the chain s specifications. Mismatched sprockets can lead to poor performance or damage.
4. **Wear on Other Components** A high-performance chain like the Acerbis 2.0 may increase stress on the sprocket, rear wheel, and suspension if not paired with complementary upgrades (e.g., reinforced sprockets or adjusted suspension).
5. **Depreciation of Older Models** If purchasing a used YZ125 or YZ250, the bike itself may have depreciated significantly, and parts for older models can become harder to find over time, depending on availability.
6. **Maintenance Still Required** While the Acerbis chain lasts longer, it still requires regular cleaning, lubrication, and tension checks to prevent premature failure. Neglecting maintenance will negate its benefits.
7. **Potential for Overkill** For casual riders or those who primarily ride on smooth trails, the benefits of the Acerbis 2.0 chain may not be as noticeable compared to stock chains. The upgrade is more valuable for aggressive riders or those pushing the bike hard.
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### **Conclusion:**The Yamaha YZ125/YZ250 with an Acerbis 2.0 chain is a solid choice for riders seeking a balance of performance, reliability, and longevity. The Acerbis chain provides a meaningful upgrade over stock options, particularly for those who prioritize durability and power. However, the decision should be based on the rider s skill level, riding style, and budget. For aggressive or competitive riders, the investment is justified. For casual riders, the benefits may be less pronounced, and a standard chain could suffice.
If purchasing a used bike, ensure it s in good mechanical condition and that the chain upgrade is compatible with the specific model. Regular maintenance will extend the life of both the bike and the chain.
### **Recommendation:**- **Buy if:** You are an intermediate to advanced rider, plan to ride aggressively, and want a reliable, high-performance chain that reduces maintenance over time. The Acerbis 2.0 chain is a smart upgrade for Yamaha YZ models, especially if paired with proper maintenance.
- **Skip if:** You ride lightly, prefer minimal upgrades, or are on a tight budget where a stock chain would suffice. Also, verify sprocket compatibility before purchasing to avoid issues.
- **Additional Tip:** Pair the chain upgrade with other maintenance tasks (e.g., sprocket inspection, suspension tuning) to maximize performance and safety. Consider consulting a mechanic if unsure about installation or compatibility.
Worked well before removal. Mounting points are in good condition. Includes hardware as pictured. Working replacement or spare.
This is a 2 piece chain guide, bottom slider replaceable. REMOVED FROM A 2018 YZ125. Smaller items combined with larger will show a significant price decrease in shipping. Imperfections, pitting and weathering as pictured.