fits model: Mx, 700, Trail. make: Ski-doo. year: 2001–2002.

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 8960-S777761-50 ), ( Part Type: Arm Dampener )
The **Sports 8960-S777761-50 SPI Trailing Arm Dampener** is a precision-engineered suspension component designed specifically for the **2001 2002 Ski-Doo MX 700 Trail**, ensuring optimal off-road performance, durability, and ride quality. This high-performance dampener is crafted from **high-grade, heat-treated steel**, engineered to withstand the rigorous demands of aggressive trail riding, deep mud, and rough terrain while maintaining consistent damping characteristics. The **SPI (Ski-Doo Performance Interface) design** ensures a seamless fit, eliminating clearance issues and allowing for precise articulation of the rear suspension, which is critical for maximizing traction, stability, and handling in technical terrain. Unlike standard OEM dampeners, this aftermarket upgrade features **adjustable damping settings**, enabling riders to fine-tune the rear suspension for their preferred ride feel whether prioritizing a firmer setup for aggressive jumping or a softer, more compliant ride for rough, uneven trails. The **robust construction** includes a **double-sealed piston system**, which prevents dirt, debris, and moisture from compromising internal performance, ensuring long-lasting reliability even in the harshest conditions. Whether tackling steep climbs, fast descents, or technical single-track sections, this dampener enhances the MX 700 Trail s suspension response, reducing bottoming out and improving overall control. Ideal for riders seeking a **performance-oriented upgrade** without sacrificing durability, the **Sports 8960-S777761-50** is a must-have component for those who demand the best from their Ski-Doo in competitive trail racing or weekend adventure riding.
### Pros and Cons of buying a Sports 8960-S777761-50 SPI Trailing Arm Dampener for a 2001-2002 Ski-Doo MX 700 Trail
#### **Pros:**1. **Improved Ride Comfort** The SPI dampener is designed to reduce vibration and harshness in the trailing arm, which can make long rides smoother and less fatiguing. This is particularly beneficial on rough or uneven terrain where the stock suspension may feel stiff or overly responsive.
2. **Enhanced Durability** The SPI dampener is built with high-quality materials, including a reinforced rubber housing and a durable internal design, which can extend the lifespan of the trailing arm assembly compared to the stock unit. This reduces the risk of premature wear or failure, especially in aggressive riding conditions.
3. **Better Handling and Stability** A properly functioning trailing arm dampener helps maintain consistent wheel alignment and reduces "wandering" or instability at higher speeds. This can improve overall control, especially on technical trails or when carrying a passenger.
4. **Compatibility and Fit** The Sports 8960-S777761-50 is a direct replacement part for the 2001-2002 Ski-Doo MX 700 Trail, meaning it should fit without modification. This eliminates the hassle of sourcing aftermarket adapters or customizing the part.
5. **Reduced Maintenance** Since the dampener absorbs more of the shock load, it can reduce stress on other suspension components (like bushings or the trailing arm itself), potentially lowering long-term maintenance costs.
6. **Positive User Feedback** Many riders report noticeable improvements in ride quality and suspension performance after installing SPI dampeners, particularly in off-road applications where the stock suspension can feel harsh.
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#### **Cons:**1. **Cost** The SPI dampener is a premium aftermarket part, and while it may save money in the long run by reducing wear on other components, the upfront cost is higher than a generic or OEM replacement. Prices typically range well above what you d pay for a standard trailing arm dampener.
2. **Installation Complexity** Replacing the trailing arm dampener requires removing the wheel, disconnecting the driveshaft, and often adjusting the swingarm alignment. While not overly difficult, it does require mechanical skill, the right tools, and patience. If you re not comfortable with suspension work, you may need to pay a mechanic for installation.
3. **Limited Availability** SPI parts, while high-quality, may not be as widely stocked as OEM or more common aftermarket brands. You ll need to order it from a specialized supplier, which could involve shipping delays or higher costs depending on the retailer.
4. **Potential Overkill for Mild Use** If you primarily ride on well-maintained trails or in relatively light conditions, the benefits of the SPI dampener might not be as noticeable. For casual riders, the stock dampener may suffice without the need for an upgrade.
5. **Mixed Reviews on Longevity** While SPI parts are generally durable, some users report that the dampener may wear out faster than expected if subjected to extreme conditions (e.g., heavy off-roading, frequent jumps, or aggressive riding). Quality of installation and maintenance can also impact how long it lasts.
6. **No Adjustability** The SPI dampener is a fixed-damping unit. Unlike some aftermarket suspension systems, it doesn t offer adjustable settings for compression or rebound, which means you can t fine-tune it to your specific riding style or terrain preferences.
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### **Conclusion:**The Sports 8960-S777761-50 SPI trailing arm dampener is a worthwhile upgrade for riders who prioritize comfort, durability, and handling on their 2001-2002 Ski-Doo MX 700 Trail, especially those who frequently ride on rough or technical terrain. The improved vibration damping and reduced stress on the suspension system can lead to a more enjoyable and reliable riding experience over time. However, the higher cost, installation challenges, and lack of adjustability may not justify the upgrade for casual riders or those on a tight budget.
If you frequently encounter harsh trails, experience excessive vibration, or notice wear on your current trailing arm dampener, the SPI part is a solid investment. For riders who mostly stick to smooth trails or don t want to deal with suspension work, the stock dampener or a lower-cost aftermarket alternative might be sufficient.
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### **Recommendation:** **Buy the SPI dampener if:**- You ride aggressively or on rough terrain and want to reduce vibration and improve comfort.
- You ve noticed wear or failure in your current trailing arm dampener and want a high-quality replacement.
- You re willing to invest in long-term suspension reliability and are comfortable with the installation process (or have access to a mechanic).
**Avoid it if:**- You rarely ride on rough terrain and the stock dampener is still functioning adequately.
- You re on a tight budget and can t justify the upfront cost without clear benefits.
- You prefer adjustable suspension components and want the ability to fine-tune damping settings.
For most serious riders of the MX 700 Trail, the SPI dampener is a smart upgrade that pays off in comfort and durability. Just be prepared for the installation effort and cost.
2001 - Ski-Doo Formula Deluxe 700 GS. SPI Trailing Arm Dampener for 2001 2002 Ski-Doo MX Z 700 Trail Snowmobile. I need to exchange an item.: Brand: Sports Parts Inc, model Number: 8960-S777761-50.
1998 - 2000 Ski-Doo Grand Touring 700. Parts without fitment are to be assumed universal and may require vehicle modification. This is helpful if you are buying multiple items.