fits model: Ltz400, Z400, Quadsport. make: Suzuki. year: 2003–2008.

( Brand: Moose Racing ), ( Manufacturer Part Number: M21-801H ), ( Part Type: Stator ), ( Warranty Details: See Manufacturer )
The **Moose Racing M21-801H Shot Stator** is a meticulously engineered, high-performance replacement stator designed specifically for the **Suzuki LT-Z400 Quadsport (2003 2008)** and its closely related **LTZ400** variants, including models equipped with the **M21A engine**. This stator is a critical component of the motorcycle s electrical system, responsible for generating the high-voltage current necessary to ignite the spark plugs, ensuring reliable starts, smooth power delivery, and optimal engine performance. Crafted from premium-grade materials, the **M21-801H Shot Stator** features a robust, corrosion-resistant construction that is built to withstand the demanding conditions of off-road riding, from dusty trails to rugged terrain. Unlike standard OEM stators, which are often prone to wear and failure particularly in high-mileage or heavily ridden machines this aftermarket upgrade incorporates a **high-output winding design**, delivering a stronger and more consistent electrical output to enhance ignition reliability and overall engine responsiveness.
The **Shot Stator** is engineered with precision to match or exceed the performance of the original equipment while incorporating improvements that address common failure points. Its **optimized coil winding** ensures a more stable and powerful current flow, reducing the risk of misfires, weak sparks, or complete electrical failure problems that can plague stock stators over time. This stator is particularly beneficial for riders who push their Quadsport hard, whether for trail riding, racing, or heavy-duty work, as it minimizes electrical gremlins that can disrupt performance at critical moments. Installation is straightforward, requiring only basic tools, and the **direct-fit design** ensures a secure and snug connection to the motorcycle s alternator housing without the need for modifications. Whether you re restoring a vintage LT-Z400 to peak condition or upgrading an existing bike for better reliability, the **Moose Racing M21-801H Shot Stator** is a smart investment that pays dividends in performance, longevity, and peace of mind. Built to endure the rigors of off-road use while delivering superior electrical efficiency, this stator is an essential component for any serious rider looking to maximize the potential of their Suzuki Quadsport.
### **Pros and Cons of Buying a Moose Racing M21-801H Shot Stator for a Suzuki LTZ400 Quadsport (Z400) 2003 2008**
#### **Pros**
1. **Improved Power and Performance** The M21-801H is a high-quality shot stator designed to enhance throttle response and overall power output. It replaces the stock stator, which can be restrictive, allowing for better ignition timing and smoother acceleration.
2. **Better Fuel Efficiency (Potentially)** Some riders report improved fuel economy due to optimized ignition timing, though results vary depending on riding style and maintenance.
3. **Easier Installation** Compared to some aftermarket stators, the M21-801H is relatively straightforward to install, especially for those with basic mechanical experience. It fits directly into the stock stator housing without major modifications.
4. **Durability and Reliability** Moose Racing products are known for their quality and longevity. The M21-801H is built to withstand the demands of off-road use, reducing the risk of premature failure.
5. **Compatibility with Other Mods** If you plan to add other performance upgrades (such as a high-flow air filter, exhaust, or ECU flash), the M21-801H can complement those modifications for a more cohesive power increase.
6. **Cost-Effective Upgrade** Compared to full engine rebuilds or high-end performance kits, the M21-801H is an affordable way to noticeably improve throttle response and power without major mechanical work.
7. **Minimal Tuning Required** Unlike some aftermarket stators that require extensive ECU tuning, the M21-801H often works well with stock or lightly modified ECU settings, making it a plug-and-play option for many riders.
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#### **Cons**
1. **Limited Power Gain Without Additional Mods** While the M21-801H improves throttle response, it may not provide dramatic horsepower increases on its own. For significant power gains, pairing it with other mods (such as a high-flow carburetor, exhaust, or ECU flash) is often necessary.
2. **Potential for Rough Idling or Tuning Issues** If not properly tuned or if the bike s fuel system isn t optimized, the stator upgrade can sometimes cause rough idling, hesitation, or lean-running conditions. This may require adjustments to the carburetor or ECU.
3. **Warranty Concerns** Installing an aftermarket stator may void the manufacturer s warranty on the bike s electrical or ignition system. Always check Suzuki s warranty terms before proceeding.
4. **Not a Complete Solution for Weak Engines** If the rest of the engine (carburetor, exhaust, clutch, etc.) is outdated or worn, the stator upgrade alone won t fully address power limitations. A more comprehensive build may be needed for optimal performance.
5. **Quality Control Variability** While Moose Racing is reputable, as with any aftermarket part, there is a slight risk of receiving a defective unit. Buying from a trusted dealer or seller helps mitigate this risk.
6. **May Require Additional Electrical Work** Some riders report needing to adjust wiring or connectors to ensure proper fitment, especially if the stock stator had custom modifications.
7. **Not a Guaranteed Fix for Ignition Issues** If the bike already has electrical or ignition problems (e.g., faulty coils, wiring damage), the stator upgrade alone won t resolve those issues. A full diagnostic is recommended before purchasing.
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### **Ending Conclusion**
The **Moose Racing M21-801H Shot Stator** is a solid, cost-effective upgrade for a 2003 2008 Suzuki LTZ400 Quadsport (Z400) that can significantly improve throttle response and power delivery. It is an excellent choice for riders looking to enhance their bike s performance without a major overhaul. However, it is not a standalone "power solution" and works best when paired with other mods or proper tuning.
If your primary goal is smoother acceleration and better low-end performance, this stator is a worthwhile investment. If you re aiming for substantial horsepower gains, consider combining it with a high-flow carburetor, exhaust system, or ECU flash for the best results.
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### **Recommendation**
- **Buy it if:** You want a simple, affordable way to improve throttle response and power without major mechanical work. It s ideal for riders who already have a well-maintained bike and may add other mods later.
- **Avoid it if:** You expect dramatic power increases on its own, your bike has existing electrical issues, or you re on a tight budget and need a more comprehensive upgrade.
- **Best paired with:** A high-flow air filter, performance exhaust, or ECU tuning (such as a Link or Power Storm flash) for maximum benefits.
- **Where to buy:** Purchase from a reputable dealer or seller (e.g., Moose Racing s official site, trusted aftermarket shops, or verified eBay sellers) to ensure authenticity and quality.
**Final Verdict:** The M21-801H is a **strong, reliable upgrade** for the LTZ400, but its effectiveness depends on how it s integrated into a larger performance plan. For most riders, it s a smart investment that enhances rideability and fun factor.
LT-Z400 QuadSport 400. This item fits the following applications. Moose Hot Shot Stator Fits Suzuki LTZ400 Quadsport Z400 2003 -2008: Higher output 250 watts .