Yamaha Grizzly 450 Clutch Kit for 27-28 Inch Tires – Low Elevation Performance Upgrade
Restore lost power and maximize performance with the EPI Performance WE490704 Sport Utility Clutch Kit, specifically engineered for the 2008–2014 Yamaha Grizzly 450 4×4 running 27–28 inch oversized tires at low elevations (0–3000 feet). This precision-tuned clutch kit is designed to compensate for the power loss and sluggish response caused by larger tires, delivering stronger acceleration, improved throttle response, and enhanced overall drivability.
Whether you’re trail riding, tackling mud or sand, or using your ATV for demanding tasks like plowing and hauling, this heavy-duty clutch kit ensures consistent performance, reduced belt wear, and reliable power delivery in all conditions.
Key Features
- Optimized for 27-28″ Tires: Specifically calibrated to restore performance lost from oversized tire setups.
- Low Elevation Tuning (0–3000 ft): Ensures maximum engine efficiency and throttle response at lower altitudes.
- Improved Low-End Torque: Enhances pulling power for hauling, plowing, and off-road riding.
- Stronger Midrange Acceleration: Delivers smoother and faster power transfer across riding conditions.
- Quicker Backshift: Provides crisp throttle response and better control on changing terrain.
- Reduced Belt Slip & Heat: Extends belt life and improves clutch system durability.
- All-Around Utility Performance: Ideal for trail riding, mud, sand, and work applications.
Technical Specifications
- Brand: EPI Performance
- Part Number: WE490704
- Product Type: Sport Utility Clutch Kit
- Elevation Range: 0 – 3000 feet
- Tire Compatibility: 27–28 inch tires
- Vehicle Fitment: Yamaha Grizzly 450 4×4 (2008–2014)
- Installation Tool Required: CCT510
- Additional Parts Required: Internal Clutch Housing Gasket (#5GH-15463-00-00), Yamaha motor oil
Compatibility / Applications
- 2008 Yamaha Grizzly 450 4×4
- 2009 Yamaha Grizzly 450 4×4
- 2010 Yamaha Grizzly 450 4×4
- 2011 Yamaha Grizzly 450 4×4
- 2012 Yamaha Grizzly 450 4×4
- 2013 Yamaha Grizzly 450 4×4
- 2014 Yamaha Grizzly 450 4×4
This clutch kit is ideal for riders who have upgraded to larger tires and need to regain lost performance while maintaining reliability.
Why Choose This Clutch Kit?
The EPI WE490704 is a professional-grade clutch upgrade designed to solve one of the most common ATV performance issues—power loss from oversized tires. Unlike generic clutch components, this kit is engineered specifically for your Yamaha Grizzly 450, ensuring optimal tuning for your setup.
With improved torque, faster response, and reduced wear on critical components, this kit delivers a reliable, high-performance upgrade for both recreational riders and working ATV users. It’s the perfect balance of durability, efficiency, and performance.
Note: Clutch kit components may vary slightly from product images.
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