Your cart is empty
Start ShoppingULTIMAX High-Power Snowmobile Drive Belt - XS811 Premium Performance Belt for Maximum Horsepower
Description
Elevate your snowmobile's performance with the ULTIMAX XS811 Drive Belt, engineered for high-horsepower machines that demand maximum power transfer and durability. This premium belt delivers consistent performance in extreme cold, heat, and rugged terrain, ensuring reliable operation when it matters most.
Key Features
- Aramid Reinforced HNBR Rubber: Resists heat, UV degradation, and maintains grip in extreme cold for long-lasting performance.
- XS Profile Construction: Precision-engineered for optimal power transfer and compatibility with high-output snowmobile engines.
- 133.7" Length x 1.367" Width: Perfectly sized for maximum contact area and efficient torque transmission.
- 1.2 lbs Weight: Lightweight yet durable design reduces strain on engine components.
- One-Year Warranty: ULTIMAX guarantees quality with full replacement coverage for defects.
- Manufactured in the USA: American craftsmanship ensures precision and reliability for demanding conditions.
Why Choose This Product
Whether you're conquering backcountry trails or competing on groomed tracks, the XS811 delivers the durability and efficiency needed for peak performance. Its advanced rubber formulation resists degradation from heat and UV exposure, while the reinforced construction ensures long-lasting reliability. As a proudly Made in the USA product, this belt meets the highest standards of quality and performance for serious snowmobile enthusiasts.Log in to submit a price match request.
Elevate your snowmobile's performance with the ULTIMAX XS811 Drive Belt, engineered for high-horsepower machines that demand maximum power transfer and durability. This premium belt delivers consistent performance in extreme cold, heat, and rugged terrain, ensuring reliable operation when it matters most.
Key Features
- Aramid Reinforced HNBR Rubber: Resists heat, UV degradation, and maintains grip in extreme cold for long-lasting performance.
- XS Profile Construction: Precision-engineered for optimal power transfer and compatibility with high-output snowmobile engines.
- 133.7" Length x 1.367" Width: Perfectly sized for maximum contact area and efficient torque transmission.
- 1.2 lbs Weight: Lightweight yet durable design reduces strain on engine components.
- One-Year Warranty: ULTIMAX guarantees quality with full replacement coverage for defects.
- Manufactured in the USA: American craftsmanship ensures precision and reliability for demanding conditions.
Why Choose This Product
Whether you're conquering backcountry trails or competing on groomed tracks, the XS811 delivers the durability and efficiency needed for peak performance. Its advanced rubber formulation resists degradation from heat and UV exposure, while the reinforced construction ensures long-lasting reliability. As a proudly Made in the USA product, this belt meets the highest standards of quality and performance for serious snowmobile enthusiasts.| SKU | GMFC3C87B4 |
|---|---|
| MPN | XS811 |
| UPC/GTIN | 785201465543 |
| Brand | ULTIMAX |
| Category | Belts |
Log in to write a review.
Reviews
No reviews yet. Be the first to review this product!
| Make | Model | Years |
|---|---|---|
| Arctic Cat | ZR 9000 Thundercat | 2018-2024 |
| Ski-Doo | Renegade X 850 E-TEC | 2019-2024 |
| Polaris | RMK 850 | 2020-2024 |
| Yamaha | Sidewinder SRX LE | 2017-2024 |
Frequently Asked Questions
Yes, Ultimax XS belts are pre-stretched for immediate optimal performance without initial stretch-out.
Check exact model against fitment chart; confirmed for Renegade X and Summit X 850 E-TEC models.
Designed for 200+ HP snowmobiles with XS profile for maximum grip and heat resistance.
Vary throttle for 1 hour, avoid WOT until 50 miles, then full break-in complete.
Installation Guide
Tools Required
- socket set
- torque wrench
- belt breaker tool
- pry bar
Pro Tips
- Run belt at 50% throttle for first 50 miles to seat it
- Clean clutches thoroughly before install
- Use belt alignment tool for precision
Common Mistakes to Avoid
- Not breaking in the belt properly
- Incorrect tension adjustment
- Forgetting to align clutch sheaves
Comparison vs Stock/OEM
Superior aramid cord and HNBR compound vs. OEM rubber/kevlar
Improvements
- 50% longer life
- Better heat resistance (up to 220°F)
- No stretch, consistent performance
Considerations
- Higher cost than OEM
Durability & Warranty
What Others Are Saying
Reviews from across the web