fits model: Trx400ex, Mark. make: Honda. year: 2008.

( Brand: Honda Motorcycle ), ( Manufacturer Part Number: 83552-HN1-U70ZA ), ( Type: Parts )
The **Honda TRX400EX (Model Year 2008, Part Number 83552-HN1-U70ZA)** is a legendary off-road machine designed for rugged terrain and relentless adventure, embodying Honda s reputation for durability, reliability, and cutting-edge engineering. This iconic four-wheeled beast belongs to the **TRX400EX series**, a line of compact yet formidable off-roaders that have earned a cult following among enthusiasts for their nimble handling, robust build, and unmatched versatility. Built to tackle everything from dense forests and rocky trails to muddy swamps and steep inclines, the 2008 TRX400EX is a true all-terrain workhorse, blending Honda s signature precision with the raw capability of a true off-road vehicle.
At its heart lies a **400cc single-cylinder air-cooled engine**, a powerplant renowned for its simplicity, efficiency, and sheer tenacity. This engine delivers a smooth yet punchy **27 horsepower and 24 lb-ft of torque**, enough to propel the TRX400EX through challenging landscapes with ease while maintaining fuel efficiency an impressive feat for a vehicle designed for heavy-duty use. The engine is paired with Honda s **eight-speed automatic transmission**, which, though not as high-tech as modern counterparts, offers smooth, predictable shifts that allow riders to focus on navigating tricky terrain rather than gear selection. The transmission is complemented by a **torque converter**, ensuring seamless power delivery even in the toughest conditions.
The **chassis and suspension** of the 2008 TRX400EX are engineered for resilience and adaptability. The frame is constructed from high-strength steel, providing a rigid foundation that absorbs the shocks of rough terrain while maintaining structural integrity. The suspension system features **coil-over-shock absorbers** on all four wheels, allowing for adjustable damping to suit different trail conditions whether it s the bouncy compliance needed for rocky paths or the firm support required for steep descents. The **independent front suspension** and **solid rear axle** work in tandem to deliver a balanced ride, ensuring stability and control whether you re carving through tight turns or hauling heavy loads. The **long-travel shocks** (adjustable on some models) further enhance the vehicle s ability to conquer obstacles, making it one of the most capable compact off-roaders of its era.
One of the standout features of the TRX400EX is its **versatile drivetrain**, which includes a **low-range transfer case** that provides a **2.4:1 reduction ratio**. This allows the vehicle to maintain momentum at slow speeds, making it ideal for climbing steep hills, wading through deep water, or navigating slippery surfaces where traction is critical. The **permanent four-wheel drive (4WD)** system ensures consistent power distribution to all wheels, while the **limited-slip differentials** (both front and rear) prevent wheel spin, maximizing grip in loose or uneven terrain. The **differential lock** (available as an optional upgrade) further enhances off-road capability by locking the rear differential, providing even greater traction in extreme conditions. Together, these features make the TRX400EX a formidable machine for both recreational off-roading and serious utility work.
The **body and interior** of the 2008 TRX400EX are designed with practicality and durability in mind. The **high-ground-clearance body** is constructed from **galvanized steel**, resistant to rust and corrosion, ensuring longevity even after years of exposure to harsh elements. The **sliding doors** and **removable roof** make entry and exit effortless, while the **fold-down windshield** provides protection from debris and weather without sacrificing visibility. Inside, the cabin is minimalist yet functional, with a **steering wheel-mounted shifter**, **adjustable seat**, and **simple, intuitive controls** that prioritize ease of use over luxury. The **dashboard** features essential gauges, including a **speedometer, tachometer, fuel gauge, and water temperature indicator**, all housed in a rugged, weatherproof design. While the interior lacks modern amenities, its no-nonsense approach aligns perfectly with the TRX400EX s off-road ethos prioritizing performance and reliability over comfort.
The **utility and adaptability** of the 2008 TRX400EX extend beyond its off-road prowess. Its compact size and lightweight construction make it highly maneuverable in tight spaces, ideal for navigating trails where larger vehicles might struggle. The **high ground clearance (12.4 inches)** and **long wheelbase** provide exceptional articulation, allowing the vehicle to climb over rocks, logs, and other obstacles with ease. Additionally, the TRX400EX s **modular design** makes it a favorite among customizers, with aftermarket support for upgrades such as **lift kits, winches, snorkels, and heavy-duty tires** to further enhance its off-road capabilities. Whether used for recreational trail riding, farming, hunting, or even light construction work, this vehicle proves its worth as a **do-it-all off-roader** that can handle anything thrown its way.
Maintenance and longevity are hallmarks of the Honda TRX400EX, thanks to Honda s reputation for building vehicles that last. The **air-cooled engine** is notoriously durable, requiring less cooling infrastructure than liquid-cooled alternatives, which reduces potential points of failure. The **simple mechanical components** such as the **chain drive** (though some later models switched to a belt drive for reduced maintenance) are easy to service, and Honda s widespread dealer network ensures that parts and support are readily available. With proper care, the 2008 TRX400EX can easily accumulate **100,000 miles or more**, making it a cost-effective choice for those seeking a reliable off-roader that will stand the test of time.
In summary, the **Honda TRX400EX (2008, Part Number 83552-HN1-U70ZA)** is a timeless off-road icon a vehicle that embodies the spirit of adventure while delivering unmatched capability in a compact, efficient package. Whether you re a weekend warrior exploring remote trails, a farmer needing a versatile work vehicle, or an enthusiast looking to customize and modify, this machine offers the perfect blend of **power, durability, and versatility**. With its legendary Honda engineering, rugged construction, and legendary reliability, the TRX400EX remains a top choice for those who demand the best from their off-road companions.
### **Pros and Cons of Buying a 2008 Honda TRX400EX (VIN: 83552-HN1-U70ZA)**
#### **Pros**
1. **Reliability and Durability** Honda s TRX400EX is known for its robust engineering, particularly in off-road applications. The 400cc single-cylinder engine is simple yet durable, with fewer components prone to failure compared to larger, more complex engines. Many owners report minimal major issues if the vehicle is maintained properly.
2. **Off-Road Capability** The TRX400EX is designed for rugged terrain, featuring a low-range gearbox, long-travel suspension, and a sturdy frame. It performs well on trails, sand, and light rock crawling, making it a practical choice for off-road enthusiasts.
3. **Fuel Efficiency** Compared to larger ATVs, the 400EX is relatively fuel-efficient, consuming around 2.5 3 gallons per hour at full throttle. This makes it cost-effective for recreational use.
4. **Simplicity and Ease of Maintenance** The engine and drivetrain are straightforward, with fewer high-tech components than modern ATVs. This means repairs and maintenance can often be done with basic tools, reducing long-term costs.
5. **Resale Value** Honda ATVs, especially older models like the TRX400EX, hold their value reasonably well compared to some competitors. If maintained properly, it may still fetch a decent price in the used market.
6. **Comfortable for Single Riders** The seating position is ergonomic for solo riders, and the lightweight frame (around 500 550 lbs) makes it easier to maneuver than larger ATVs.
7. **Proven Track Record** The TRX400EX has been in production since the late 1990s, with the 2008 model being a mature design. This means common issues have likely been addressed by previous owners or mechanics.
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#### **Cons**
1. **Age and Wear** A 2008 model is now over 15 years old, meaning parts may be harder to find or more expensive. Critical components like the transmission, clutch, and suspension may require replacement sooner rather than later.
2. **Rust and Corrosion** If the ATV has been stored outdoors or in wet conditions, rust could be a significant issue, particularly on the frame, undercarriage, and suspension components. A thorough inspection is essential.
3. **Outdated Technology** The TRX400EX lacks modern features like electronic fuel injection (EFI), traction control, or advanced suspension systems found in newer ATVs. This can affect performance, fuel efficiency, and ease of use in some conditions.
4. **Limited Power and Speed** At 400cc, the engine produces only about 28 30 horsepower, which is adequate for light off-roading but insufficient for heavy-duty tasks or high-speed riding. It may feel underpowered compared to modern ATVs.
5. **Discontinued Parts** Honda has phased out production of many TRX400EX parts, meaning some components (e.g., specific suspension bushings, belts, or filters) may require sourcing from third-party suppliers or older stock.
6. **Safety Concerns** Older ATVs lack modern safety features such as roll cages, advanced braking systems, or stability control. The lack of these can increase the risk of accidents, especially in rough terrain.
7. **Potential Hidden Issues** Without a service history, the ATV could have neglected maintenance problems, such as worn bearings, seized clutches, or failed hydraulic components. A pre-purchase inspection is critical.
8. **Noise and Vibration** The single-cylinder engine is inherently noisy and can vibrate significantly, which may be uncomfortable for long rides. Sound deadening and vibration dampening are often added by owners to mitigate this.
9. **Limited Aftermarket Support** While there is a community of enthusiasts, the aftermarket for parts and upgrades is not as extensive as for newer ATVs. Customization options are more limited.
10. **Fuel and Emissions Compliance** The TRX400EX was not designed for modern fuel standards (e.g., E10 or higher ethanol blends), which can cause engine issues if used with poor-quality fuel. Some states also have restrictions on older ATVs for trail use.
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### **Conclusion**
The 2008 Honda TRX400EX is a capable and reliable off-road ATV, particularly for those seeking a simple, durable machine for light to moderate trail use. Its strengths lie in its robustness, fuel efficiency, and ease of maintenance, making it a practical choice for budget-conscious buyers or those who prioritize functionality over modern amenities.
However, its age introduces risks such as part availability, potential rust, and outdated safety features. If you are purchasing this ATV, it is essential to:
- **Inspect it thoroughly** (or have a mechanic do so) for rust, mechanical wear, and fluid leaks.
- **Verify the service history** to ensure it has been properly maintained.
- **Budget for potential upgrades** (e.g., suspension, tires, or safety modifications).
- **Consider storage conditions** if it has been exposed to the elements, repairs could be costly.
For someone with mechanical skills and a focus on practicality, the TRX400EX can be a great investment. For those seeking a more modern, feature-rich ATV or planning heavy-duty use, a newer model or a different brand may be a better fit.
### **Recommendation**
**Buy the 2008 Honda TRX400EX if:**- You need a reliable, low-maintenance ATV for light off-roading or recreational use.
- You are willing to invest time in inspections and potential repairs.
- You prefer a simple, no-frills machine over a high-tech ATV.
- You can find one in good condition with a clean service history.
**Avoid or reconsider if:**- You require heavy-duty performance or modern safety features.
- You cannot afford potential repairs or part replacements due to age-related wear.
- You plan to use it frequently in harsh conditions without proper maintenance.
- You are uncomfortable with the lack of advanced diagnostics or aftermarket support.
**Final Verdict:** The TRX400EX is a solid choice for the right buyer someone who values durability and simplicity over cutting-edge technology. However, proceed with caution, prioritize inspections, and be prepared for potential maintenance costs.
Buyer should verify this is the exact part needed before purchasing.