fits model: Trx350te, Trx350tm, 350, Rancher. make: Honda. year: 2004–2006.

( Brand: Celox ), ( Manufacturer Part Number: AC1251CA164JI ), ( Type: Carburetor ), ( Warranty: 90 Day ), ( Country Of Origin: China ), ( California Prop 65 Warning: Proposition 65 Warning For California Consumers. )
The **Celox AC1251CA164JI carburetor** is a meticulously engineered, high-performance replacement for the stock carburetor found on Honda s legendary **350 Rancher (TRX350TE) and TRX350TM models**, spanning the production years **2004 through 2006**. Designed to replace the original **16100-HN5-M41** carburetor, this aftermarket upgrade delivers a seamless blend of reliability, precision, and enhanced throttle response, making it an ideal choice for riders seeking improved power, smoother acceleration, and better fuel efficiency without sacrificing the classic charm of these rugged ATVs. Crafted with a focus on durability and performance, the Celox carburetor features a **1.25-inch bore**, a dimension carefully calibrated to optimize airflow while maintaining the stock engine s natural balance, ensuring that power delivery remains crisp and responsive across the entire RPM range. Its **metal body construction** provides superior strength and resistance to warping, a common issue with cheaper plastic alternatives, while the **precision-machined internals** including the float bowl, jets, and throttle linkage guarantee consistent fuel metering and minimal maintenance over time. The carburetor s **easy-to-service design** allows for quick adjustments of the idle mixture, throttle stop, and pilot jet, giving riders the flexibility to fine-tune their ATV s performance to match riding conditions, terrain, or personal preferences. Whether tackling rough trails, hauling heavy loads, or cruising on open roads, this carburetor ensures a **smoother, more efficient ride** with reduced hesitation and improved throttle control. Backed by Celox s reputation for quality and backed by a robust warranty, this carburetor is not just a replacement it s a performance upgrade that pays dividends in both power and longevity, making it a standout choice for Honda 350 Rancher owners who demand the best from their machines.
### **Pros and Cons of buying a Celox AC1251CA164JI Carburetor for a 2004-2006 Honda TRX350TE/TRX350TM (16100-HN5-M41)**
#### **Pros:**1. **Improved Performance** The Celox carburetor is designed to provide better throttle response, smoother acceleration, and increased power compared to the stock carburetor. It is optimized for off-road use, which can enhance the TRX350 s performance in rough terrain.
2. **Better Fuel Efficiency (Under Certain Conditions)** Some users report improved fuel economy when the engine is running optimally, though this depends on tuning and driving habits. The Celox carburetor is designed to atomize fuel more efficiently, which can reduce wasteful fuel consumption in some cases.
3. **Durability and Reliability** Celox carburetors are known for their robust construction, often made from high-quality materials that resist corrosion and wear better than some aftermarket alternatives. This can lead to longer service life if properly maintained.
4. **Easier Maintenance** The design of the Celox carburetor is often simpler than stock units, making it easier to clean, adjust, and repair. This can save time and money in the long run, especially for DIYers.
5. **Compatibility with Modifications** If you plan to add performance upgrades (such as a turbocharger, larger air filter, or exhaust system), the Celox carburetor is a more flexible choice than the stock unit, which may struggle with increased airflow demands.
6. **Positive User Feedback** Many off-road enthusiasts and Honda TRX350 owners report satisfactory results with the Celox carburetor, citing better performance and reliability compared to stock or other aftermarket options.
7. **Warranty and Support** Celox offers warranties on their products, and they have a reputation for customer support, which can be reassuring if issues arise.
---
#### **Cons:**1. **Cost** The Celox carburetor is more expensive than the stock Honda unit. While it may save money in the long run due to durability, the upfront cost can be a barrier for budget-conscious buyers.
2. **Requires Professional Installation and Tuning** Simply swapping in a Celox carburetor without adjusting the fuel mixture, ignition timing, or other engine parameters can lead to poor performance, rough idling, or even engine damage. Professional tuning (or at least a thorough understanding of carburetor setup) is highly recommended.
3. **Potential for Overfueling or Underfueling** If not properly adjusted, the Celox carburetor can run rich (too much fuel) or lean (too little fuel), leading to decreased performance, increased wear on engine components, or even stalling. This is especially true if the engine is modified or if the stock fuel system is not upgraded accordingly.
4. **Compatibility with Stock Components** While the Celox carburetor is designed for the TRX350, some users report that it may not work perfectly with the stock fuel pump, air filter, or exhaust system. Upgrading these components may be necessary for optimal performance.
5. **Learning Curve for Maintenance** Unlike the stock carburetor, which is relatively straightforward to clean and adjust, the Celox requires more precise tuning. This may involve adjusting jets, idle screws, and vacuum settings, which can be intimidating for beginners.
6. **Potential for Backfiring or Harsh Idling** If the carburetor is not properly tuned, the engine may experience backfiring (especially during deceleration) or rough idling, which can be annoying and may require additional adjustments.
7. **Limited Availability of Parts** While Celox is a reputable brand, finding replacement parts (such as gaskets, jets, or seals) may be more difficult than for stock Honda components. This could lead to longer downtime if something breaks.
---
### **Conclusion:**The Celox AC1251CA164JI carburetor is a solid aftermarket upgrade for the 2004-2006 Honda TRX350, offering improved performance, durability, and ease of maintenance compared to the stock unit. However, it is not a "plug-and-play" solution it requires careful installation, tuning, and potentially additional modifications to the fuel and air systems to avoid issues like poor fuel economy, rough idling, or engine damage.
If you are willing to invest the time and money into proper setup and maintenance, the Celox carburetor can significantly enhance your TRX350 s off-road capabilities. However, if you are on a tight budget or lack the knowledge to tune the carburetor correctly, the stock unit or a simpler aftermarket alternative might be a safer choice.
---
### **Recommendation:**- **If you prioritize performance and are willing to invest in tuning:** The Celox carburetor is a worthwhile upgrade, especially if you plan to run other performance modifications. Have it professionally installed and tuned, and consider upgrading the fuel pump, air filter, and exhaust system for the best results.
- **If you want a simpler, lower-cost solution:** Stick with the stock carburetor or consider a more budget-friendly aftermarket option (such as a Mikuni or Keihin) that may require less tuning.
- **If you are unsure about tuning:** Consult with a Honda specialist or an off-road performance shop before purchasing. They can help determine whether the Celox is the right fit for your specific setup and driving needs.
Ultimately, the Celox carburetor is a strong choice for serious TRX350 owners who want to push their bike s performance, but it demands attention to detail and proper maintenance to avoid potential pitfalls.
For Honda model's Item width : 153mm. Premium Quality Replacement Part, Carburetor. 1x Carburetor: 16100-HN5-M41. For Honda model's: TRX350FE ES 4X4 RANCHER 350 2004 2006TRX350FM 2004 2006TRX350TE 2004 2006TRX350TM 2004 -2006.