fits model: Wr250f. make: Yamaha. year: 2005.

( Manufacturer Part Number: 5UM-14101-80-00 ), ( Part Type: Carburetor )
The **Yamaha 5UM-14101-80-00 05 WR250F Carburetor** is a precision-engineered component designed specifically for the iconic Yamaha WR250F, a dual-sport motorcycle celebrated for its versatility, reliability, and off-road prowess. This carburetor, part of Yamaha s high-performance fuel delivery system, plays a critical role in optimizing throttle response, fuel efficiency, and overall engine performance across a wide range of riding conditions from rugged trails to urban commutes. Crafted from durable materials and assembled with Yamaha s signature attention to detail, this carburetor features a **Keihin CV carburetor design**, complete with a **constant velocity (CV) mechanism** that dynamically adjusts fuel delivery in response to throttle position, ensuring smooth acceleration and consistent power output regardless of load or altitude. The unit is equipped with a **piston-type throttle valve** that minimizes lag and maximizes responsiveness, while the **floating needle valve** allows for precise fuel metering, balancing air-fuel ratios for optimal combustion efficiency. The carburetor s **metal body** and **anodized components** resist corrosion and wear, making it ideal for both on-road and off-road applications where exposure to dust, moisture, and varying temperatures is common. For riders seeking to restore or upgrade their WR250F s performance, this carburetor is a direct-fit replacement, maintaining the original engine s tuning characteristics while offering the durability and reliability expected from Yamaha s aftermarket parts. Whether used in a restoration project or as a maintenance upgrade, the 5UM-14101-80-00 carburetor ensures that the WR250F delivers the punchy, adaptable power that has made it a favorite among adventure riders for decades.
### **Pros and Cons of buying a Yamaha 5UM-14101-80-00 (05 WR250F Carburetor)**
#### **Pros:**1. **OEM Quality** This is an original Yamaha part, meaning it is designed specifically for the 2005 WR250F, ensuring a perfect fit and reliable performance. Aftermarket parts may not match the precision of OEM components.
2. **Durability** Yamaha carburetors are known for their robust construction, often lasting the life of the engine if properly maintained. This part is built to withstand the demands of off-road riding.
3. **Performance Consistency** Since it s a genuine replacement, it will maintain the factory-tuned performance of your bike, avoiding potential issues from aftermarket parts that may not sync well with the engine s calibration.
4. **Ease of Installation** Being an original part, it should integrate seamlessly with the existing fuel system, reducing the risk of leaks or improper sealing that can occur with non-OEM replacements.
5. **Warranty Coverage** If purchased from an authorized Yamaha dealer or a reputable seller, this part may still carry some level of warranty protection, offering peace of mind against defects.
6. **Compatibility with Upgrades** If you plan to modify your bike (e.g., adding a performance exhaust or ECU tune), an OEM carburetor provides a solid foundation for upgrades, as it won t introduce inconsistencies in fuel delivery.
7. **Reliability in Harsh Conditions** The WR250F is designed for rugged use, and Yamaha s carburetors are engineered to perform well in dusty, muddy, or high-altitude environments, which is critical for off-road riding.
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#### **Cons:**1. **Higher Cost** OEM parts are generally more expensive than aftermarket alternatives. The price of this carburetor may be significantly higher than a third-party version, which could be a deterrent for budget-conscious buyers.
2. **Limited Availability** While Yamaha parts are widely available, finding the exact model (especially for older bikes like the 2005 WR250F) may require ordering from a specialty dealer or online marketplace. This could involve shipping delays or higher costs.
3. **Potential for Overkill** If your bike has already been heavily modified (e.g., with a high-flow air filter or aggressive ECU tuning), an OEM carburetor might be too restrictive, limiting performance gains. In such cases, an aftermarket carburetor (e.g., Keihin or Walbro) might be more suitable.
4. **Maintenance Requirements** Like all carburetors, this part requires regular cleaning and adjustment to prevent clogging or poor fuel delivery. Neglecting maintenance can lead to performance issues or even engine damage over time.
5. **No Performance Upgrades** If you re looking to increase power or throttle response, an OEM carburetor won t provide those benefits. Aftermarket carburetors (e.g., with larger jets or improved airflow) are often chosen for performance tuning.
6. **Depreciation** As the WR250F ages, the demand for OEM parts may decline, potentially making this carburetor harder to find or more expensive in the long run. Aftermarket parts, while not as durable, may be easier to source later.
7. **Potential for Counterfeit Parts** When purchasing online, there s a risk of receiving a counterfeit or refurbished part that doesn t meet OEM standards. Buying from a trusted dealer reduces this risk but adds to the cost.
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### **Conclusion**
The Yamaha 5UM-14101-80-00 carburetor is an excellent choice if you prioritize reliability, OEM quality, and seamless integration with your 2005 WR250F. It s ideal for riders who want to maintain factory performance, avoid compatibility issues, and ensure long-term durability without frequent tuning. However, the higher cost and limited availability may make it less appealing to those on a tight budget or those seeking performance upgrades.
If your primary goal is to replace a worn-out carburetor and keep the bike running smoothly without modifications, this is a strong recommendation. If you re looking to enhance performance or reduce costs, exploring aftermarket options (e.g., Keihin RC carburetors or Walbro replacements) could be worth considering, though they may require additional tuning to work optimally.
### **Recommendation**
**Buy the Yamaha OEM carburetor if:**- You want the most reliable and long-lasting replacement for your WR250F.
- You re restoring the bike to factory specifications or maintaining its original performance.
- You re willing to pay a premium for OEM quality and peace of mind.
- You have access to a trusted dealer or seller to avoid counterfeit parts.
**Consider an aftermarket alternative if:**- You re on a budget and can find a high-quality aftermarket carburetor (e.g., Keihin RC or Walbro) that fits your needs.
- You plan to modify the bike (e.g., with a performance exhaust or ECU) and need a carburetor that can handle increased airflow.
- You re comfortable with tuning the bike to optimize the aftermarket part s performance.
For most riders seeking a straightforward, no-fuss replacement, the Yamaha OEM carburetor is the safest and most practical choice. However, weigh the cost against your priorities performance, budget, and long-term maintenance to make the best decision for your situation.
Carburetor is in good condition. Was removed from a 2005 Yamaha WR250F. Plug for TPS sensor is broken. Could use a quick cleaning.
Comes as pictured. Items are shipped using USPS, UPS, and FedEx. Has light wear.