The Ultimate Guide to 400EX Parts: Performance, Upgrades, and Maintenance
The Honda TRX400EX is a beloved ATV known for its robust performance and adaptability. Whether you’re a seasoned rider or a newcomer, understanding the wide array of aftermarket parts available can significantly enhance your riding experience. This guide provides an in-depth look at the various types of parts you can consider, their applications, and how to choose the right components for your ATV.
Comparison of 400EX Parts and Their Applications
| Part Type | Description | Application | Recommended Brands |
|---|---|---|---|
| A-Arms | Suspension components that improve handling | Off-road performance | Lone Star Racing, GDH Racing |
| Exhaust Systems | Aftermarket exhausts for better airflow | Increased power and torque | CT Racing, XRs ONLY |
| Air Filters | Upgraded filters for improved airflow | Enhanced engine performance | Rocky Mountain ATV/MC, MotoSport |
| Brake Kits | Performance brake kits for better stopping power | Safety and control | Partzilla, ChapMoto.com |
| Tires | Specialized tires for different terrains | Enhanced traction | Rocky Mountain ATV/MC, GDH Racing |
| Engine Components | Upgraded parts for increased horsepower | Performance enhancement | CT Racing, XRs ONLY |
| Lighting Kits | LED upgrades for better visibility | Night riding safety | ChapMoto.com, MotoSport |
| Skid Plates | Protective plates to shield the undercarriage | Off-road protection | Lone Star Racing, www.rockymountainatvmc.com |
| Suspension Kits | Complete kits to improve ride quality | Comfort and control | GDH Racing, lsracing.com |
| Performance CDI | Upgraded ignition system for better throttle response | Improved acceleration | Partzilla, www.hondasportpartswarehouse.com |
Understanding the Different Types of 400EX Parts
A-Arms: Enhancing Suspension and Handling
A-arms are crucial for the suspension system of your 400EX. Upgrading to aftermarket A-arms can significantly enhance handling and stability. Brands like Lone Star Racing provide options that are wider, allowing for better cornering and control. The Sport Style A-Arm Kit offers a +2″ width, while the DC-4 A-Arm Kit provides a +3″ width, which requires longer shocks for optimal performance.
Exhaust Systems: More Power and Better Sound
An aftermarket exhaust system can dramatically improve your ATV’s performance. These systems often allow for better airflow, which translates into increased horsepower. Companies like CT Racing specialize in exhaust solutions that not only enhance performance but also provide a more aggressive sound that many riders prefer.
Air Filters: Breathing Easier for Your Engine
Upgrading your air filter is a simple yet effective modification that can lead to noticeable performance gains. Aftermarket air filters, available at retailers such as Rocky Mountain ATV/MC, allow for superior airflow compared to stock options. This improves engine efficiency and can lead to better throttle response.
Brake Kits: Safety First
Performance brake kits are essential for maintaining control during high-speed riding. Upgrading your brakes can lower stopping distances and provide a more responsive feel. Brands like Partzilla offer comprehensive brake kits designed specifically for the 400EX, ensuring safety without sacrificing performance.
Tires: The Foundation of Performance
Choosing the right tires is critical for maximizing performance in various terrains. Different tread patterns and rubber compounds can significantly affect traction and handling. Rocky Mountain ATV/MC and GDH Racing provide a range of tire options suited for mud, sand, and rocky trails.
Engine Components: Unlocking Horsepower
To extract the most power from your 400EX, consider upgrading engine components such as pistons or camshafts. CT Racing and XRs ONLY offer performance engine upgrades that can lead to substantial horsepower increases, turning your ATV into a powerhouse.
Lighting Kits: Visibility for Night Rides
If you enjoy nighttime riding, upgrading your lighting system can greatly improve visibility. LED kits available from ChapMoto.com and MotoSport not only enhance safety but also add a custom look to your ATV.
Skid Plates: Protecting Your Investment
Skid plates are essential for protecting the undercarriage of your 400EX during off-road adventures. Companies like Lone Star Racing offer durable options that can withstand the rigors of rough terrain, ensuring your ATV remains in top condition.
Suspension Kits: For a Smoother Ride
A complete suspension kit can transform your riding experience by improving comfort and control. Brands like GDH Racing provide comprehensive kits that include everything you need to upgrade your suspension, making your ATV more versatile and enjoyable to ride.
Performance CDI: Enhancing Throttle Response
Upgrading your CDI (Capacitor Discharge Ignition) can enhance throttle response and improve overall engine performance. Partzilla and www.hondasportpartswarehouse.com offer CDI upgrades specifically designed for the 400EX, allowing for a more responsive ride.
Technical Features of 400EX Parts
| Feature | A-Arms | Exhaust Systems | Air Filters | Brake Kits | Tires | Engine Components | Lighting Kits | Skid Plates | Suspension Kits | Performance CDI |
|—————————–|———————|———————|———————|———————|———————|———————-|———————|———————|———————-|
| Material | Chromoly Steel | Stainless Steel | Foam/Filter Media | High-Carbon Steel | Various Alloys | Aluminum/Steel | LED | Polyethylene/Aluminum| Various Alloys |
| Weight | Varies | Lightweight | Lightweight | Varies | Varies | Varies | Lightweight | Varies | Varies |
| Warranty | Lifetime Warranty | Limited Warranty | Limited Warranty | Limited Warranty | Varies | Limited Warranty | Limited Warranty | Lifetime Warranty | Limited Warranty |
| Adjustability | Camber Adjustability | Fixed | Non-Adjustable | Non-Adjustable | N/A | N/A | N/A | N/A | Adjustable |
| Installation Difficulty | Moderate | Moderate | Easy | Easy | Moderate | Moderate | Easy | Moderate | Easy |
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Conclusion
In conclusion, upgrading your Honda TRX400EX with the right aftermarket parts can lead to improved performance, handling, and durability. From A-arms that enhance your suspension system to exhaust kits that boost horsepower, there are numerous options available to customize your ATV to meet your specific needs. Ensure you choose reliable brands and consult experts when necessary to get the best performance out of your 400EX.
FAQ
What types of A-arms are available for the 400EX?
A-arms come in various styles, including standard and extended widths. Brands like Lone Star Racing offer options that improve handling and stability depending on your riding style.
How can exhaust systems improve my ATV’s performance?
Aftermarket exhaust systems allow for better airflow, which can result in increased horsepower and torque. They also provide a more aggressive sound that many riders enjoy.
Are there specific air filters recommended for the 400EX?
Yes, aftermarket air filters from brands like Rocky Mountain ATV/MC are designed to improve airflow and engine efficiency compared to stock filters.
What should I consider when upgrading my tires?
Consider the terrain you will be riding on. Different tires are designed for mud, sand, or rocky trails, and choosing the right type can greatly affect traction and handling.
How do I know if I need to upgrade my brake kit?
If you find that your stopping distances are increasing or your brakes feel less responsive, it may be time to upgrade to a performance brake kit.
What are the benefits of upgrading engine components?
Upgrading engine components can significantly increase horsepower and improve overall engine performance, making your ATV faster and more fun to ride.
Is it necessary to install skid plates?
While not strictly necessary, skid plates provide essential protection for your ATV’s undercarriage, especially during off-road rides.
Can lighting kits improve safety while riding at night?
Absolutely! Upgrading to LED lighting kits enhances visibility, making night rides safer and more enjoyable.
How do suspension kits affect riding comfort?
Suspension kits improve ride quality by providing better shock absorption and handling, making your rides smoother and more comfortable.
What is a performance CDI and why should I upgrade?
A performance CDI optimizes ignition timing, leading to improved throttle response and acceleration. Upgrading can make your ATV more responsive and enjoyable to ride.