fits model: Mxz, Efi, 600. make: Skidoo, Ski-doo.

( Brand: Ski-doo ), ( Manufacturer Part Number: 420893806 ), ( Type: Header ), ( Features: 3-port, Y-pipe ), ( Fuel Type: Gasoline ), ( Oe/oem Part Number: 420873040 )
The **Ski-Doo MXZ 600 EFI Sport Throttle Body (Part #420893806)** is a high-performance, precision-engineered component designed exclusively for the iconic Ski-Doo MXZ 600 EFI lineup, ensuring optimal throttle response and enhanced engine efficiency. Crafted from durable, lightweight materials, this throttle body is engineered to deliver seamless power modulation, allowing riders to experience a more refined and responsive driving experience. The EFI (Electronic Fuel Injection) system it supports ensures precise fuel delivery, reducing emissions while maximizing horsepower and torque, making it ideal for both aggressive off-road adventures and high-speed trail cruising. The sport throttle body features a sleek, aerodynamic design optimized for airflow, minimizing turbulence and maximizing engine performance under varying load conditions. Whether you're tackling steep climbs, carving through deep snow, or pushing the limits on open trails, this throttle body enhances throttle smoothness and accelerates, providing a more engaging and controlled ride. Built to meet Ski-Doo s stringent quality standards, it is designed for long-lasting durability, ensuring reliable operation even in the harshest conditions. Perfect for riders seeking a balance of power, precision, and performance, this throttle body is a must-have upgrade for those who demand the best from their Ski-Doo MXZ 600 EFI.
### **Pros and Cons of Buying a Ski-Doo 420893806 MXZ 600 EFI Sport Throttle Body**
#### **Pros**
1. **Powerful Engine** The 600cc EFI engine delivers strong performance, making it suitable for both trail riding and light off-road use. The EFI system improves fuel efficiency and throttle response compared to older carbureted models.
2. **Modern Technology** The EFI (Electronic Fuel Injection) system ensures smoother power delivery, better cold starts, and reduced emissions compared to older carbureted models. The throttle body design allows for precise control, enhancing the riding experience.
3. **Lightweight and Maneuverable** The MXZ 600 is one of Ski-Doo s smaller ATV models, making it easier to handle in tight spaces, on trails, or in residential areas. Its compact size also improves fuel efficiency.
4. **Versatile for Different Riders** The "Sport" model is designed for agile, responsive riding, making it ideal for riders who prefer a more engaging, high-performance experience rather than heavy-duty utility work.
5. **Reliability of Ski-Doo Brand** Ski-Doo ATVs are known for their durability and strong aftermarket support. The MXZ series has a reputation for being well-built, with fewer issues than some budget-friendly alternatives.
6. **Good for Beginners and Experienced Riders** The 600cc engine is powerful enough for confident riders but not overwhelming for those new to ATVs. The lightweight frame also helps with control.
7. **Aftermarket Customization Options** The MXZ 600 has a strong aftermarket following, meaning you can easily find upgrades for suspension, exhaust, or performance tuning if desired.
8. **Fuel Efficiency** Compared to larger ATVs, the 600cc engine consumes less fuel, making it cost-effective for regular use.
9. **Comfortable for Short to Moderate Rides** While not designed for long-distance touring, it offers a decent ride quality for trail riding, farm work, or recreational use.
10. **Resale Value** Ski-Doo retains decent resale value, especially for well-maintained models with service records.
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#### **Cons**
1. **Limited Towing and Hauling Capacity** At 600cc, this ATV is not designed for heavy-duty tasks like pulling trailers, heavy loads, or agricultural work. It s better suited for light utility or recreational use.
2. **Smaller Engine Less Power for Heavy Use** If you plan to ride on rough terrain frequently or carry heavy passengers/cargo, the 600cc may feel underpowered compared to larger engines (e.g., 700cc or 800cc models).
3. **Narrow Tires for Off-Road Use** The stock tires are not as aggressive as those on larger, off-road-focused ATVs. While adequate for trails, they may struggle in deep mud, rocky, or extremely rough terrain.
4. **Less Storage Space** The compact size means limited storage options compared to larger ATVs, which can be a drawback for utility riders who need to carry tools, gear, or cargo.
5. **Higher Maintenance Costs Than Smaller ATVs** While not excessively expensive, a 600cc EFI ATV will require more maintenance than a 300cc or 400cc model over time. Oil changes, spark plugs, and occasional tune-ups will add up.
6. **Suspension May Feel Stiff for Rough Terrain** The stock suspension is decent but not as plush or adjustable as higher-end models. On very rough trails, you may feel more vibration than comfort.
7. **Resale Depreciation** Like most ATVs, the MXZ 600 will lose value over time. If you plan to sell it later, factor in depreciation costs.
8. **Noise and Vibration** The 600cc engine can be louder and more vibration-prone than larger engines, which may be noticeable during long rides.
9. **Limited Off-Road Capability Compared to Specialized Models** If you re looking for an ATV built specifically for extreme off-roading (e.g., rock crawling, deep mud), this model is not the best choice. It s more of a "trail and utility" machine.
10. **Potential for Throttle Response Issues** While the EFI system is generally reliable, some riders report minor throttle lag or hesitation under heavy load, which may require tuning or adjustments.
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### **Conclusion**
The **Ski-Doo MXZ 600 EFI Sport Throttle Body** is an excellent choice for riders who prioritize **agility, fuel efficiency, and a balanced mix of power and control** without the bulk of larger ATVs. It excels in **trail riding, light utility work, and recreational use**, especially for those who value **modern EFI technology, ease of handling, and a sporty riding experience**.
However, if you need **heavy-duty towing, extreme off-road capability, or the ability to carry large loads**, a larger engine (e.g., 700cc or 800cc) or a more specialized ATV would be a better fit. The 600cc is also not ideal for riders who frequently push their ATV to its limits on rough terrain.
### **Recommendation**
**Buy this ATV if:**- You want a **versatile, lightweight ATV** for trails, light farming, or recreational riding.
- You prefer **modern EFI technology** for better performance and fuel efficiency.
- You prioritize **maneuverability and ease of use** over raw power.
- You plan to use it for **short to moderate distances** and don t need heavy-duty towing.
- You re looking for a **reliable, well-supported Ski-Doo** with good aftermarket options.
**Avoid this ATV if:**- You need **serious off-road or towing capability** consider a 700cc model instead.
- You frequently ride on **extremely rough or muddy terrain** a more aggressive ATV may be better.
- You require **large storage capacity** for tools or cargo.
- You re on a **tight budget** and can find a well-maintained 400cc or 500cc ATV for less.
**Final Verdict:** The **Ski-Doo MXZ 600 EFI Sport Throttle Body** is a **solid mid-range ATV** that delivers a great balance of power, handling, and efficiency. It s a **smart purchase for riders who want performance without the bulk**, but those with heavy-duty needs should look elsewhere. If well-maintained and used for its intended purposes, it will provide **years of reliable service**.
GOOD COND ran great.