fits model: Kx250, Kx, Kdx, 250. make: Kawasaki. year: 1980–1982.

( Manufacturer Part Number: 14073-1035 ), ( Part Type: Intake Carburetor Box Boot Duct ), ( Color: Black ), ( Vintage Part: Yes ), ( Compatible Year: 1980, 1981, 1982 )
The **Kawasaki 14073-1035 Carburetor Air Box Intake Boot Duct** is a precision-engineered component designed exclusively for Kawasaki s iconic **KX250 and KDX250** models from the **1980, 1981, and 1982** production years. This high-performance intake system plays a critical role in optimizing airflow to the carburetor, ensuring a cleaner, more efficient fuel-air mixture for improved throttle response, power delivery, and overall engine performance. Crafted from durable, heat-resistant materials, the intake boot duct is engineered to maintain structural integrity under the demanding conditions of off-road riding, where dust, debris, and high temperatures are common. Its seamless design minimizes turbulence, allowing air to flow smoothly into the carburetor while reducing backpressure, which is essential for maximizing the engine s potential. Whether you're restoring a classic KX250 for track days, preparing it for competitive motocross, or simply enhancing its stock performance, this aftermarket part offers a direct upgrade path for riders seeking better breathing and a more aggressive powerband. Compatible with the **Keihin carburetor** found in these models, the duct integrates seamlessly with the air filter housing, ensuring a tight seal that prevents air leaks critical for maintaining optimal vacuum and fuel efficiency. For enthusiasts who appreciate the balance of authenticity and performance, this component bridges the gap between stock reliability and aftermarket tuning, making it a must-have for any KX250 or KDX250 owner looking to revive or refine their bike s heritage.
### **Pros and Cons of Buying a Kawasaki 14073-1035 (KX/KDX 250 Carburetor Air Box Intake Boot Duct) for Years 80-82**
#### **Pros:**1. **Compatibility and Fit:** This part is designed specifically for Kawasaki KX250 and KDX250 models from 1980 to 1982. It ensures a precise fit, reducing the risk of leaks or improper installation.
2. **Performance Potential:** The air intake system plays a role in engine breathing. A well-maintained or upgraded intake can improve airflow, which may enhance throttle response and power output, especially if the rest of the engine is in good condition.
3. **Reliability of OEM Parts:** As an original equipment manufacturer (OEM) part, it is built to Kawasaki s standards, meaning it should be durable and free from common manufacturing defects found in aftermarket knockoffs.
4. **Ease of Installation:** Since it is a direct replacement, installing it typically requires minimal modifications. Most mechanics or experienced riders can replace it in under an hour with basic tools.
5. **Prevents Contamination:** A properly sealed air intake system prevents dirt, debris, and moisture from entering the carburetor, reducing wear on internal components and improving long-term reliability.
6. **Cost-Effective for Maintenance:** If the existing intake boot is worn or damaged, replacing it is far cheaper than overhauling the entire carburetor or engine.
7. **Availability of Spare Parts:** Kawasaki parts, especially for classic models, can sometimes be harder to find, but this specific part is likely to be available through authorized dealers, eBay, or specialty motorcycle parts suppliers.
---
#### **Cons:**1. **Age-Related Wear:** Parts from the early 1980s may show signs of aging, such as brittle rubber hoses or cracked plastic components. Inspect the part carefully before purchasing to avoid receiving a worn-out item.
2. **Limited Availability:** While not uncommon, this part may not be stocked in every local bike shop. You might need to order it online, which could result in shipping delays or higher costs.
3. **Potential for Counterfeit Parts:** Buying from untrusted sellers (especially online marketplaces) increases the risk of receiving a replica or low-quality part that doesn t fit or function correctly. Always verify the seller s reputation.
4. **Compatibility with Modified Engines:** If the bike has been heavily modified (e.g., ported cylinder, upgraded carburetor, or aftermarket air filters), the stock intake boot may not provide optimal airflow. In such cases, an aftermarket solution might be better.
5. **Rust or Corrosion:** Parts from this era may have been exposed to moisture over the years, leading to rust or corrosion. Inspect the part thoroughly for any signs of degradation before installation.
6. **Cost Relative to Newer Alternatives:** While not expensive, the price of an OEM part may be higher than a budget aftermarket alternative if you re only looking for basic functionality.
7. **Limited Warranty:** OEM parts typically come with minimal or no warranty, so if the part fails shortly after purchase, you may be responsible for replacement costs.
---
### **Conclusion:**The **Kawasaki 14073-1035 carburetor air box intake boot duct** is a solid choice for restoring or maintaining a **1980-1982 KX250 or KDX250**, especially if you prioritize **authenticity, reliability, and ease of installation**. It is a straightforward replacement part that helps maintain engine health by ensuring proper airflow and preventing contamination.
However, **buyers should exercise caution** when purchasing, particularly from online sources, to avoid counterfeit or damaged goods. If the bike is heavily modified or you re looking for performance gains, an aftermarket intake system might be more beneficial. For most restoration or routine maintenance purposes, this OEM part is a **practical and cost-effective solution**.
### **Recommendation:**- **Buy from a trusted source**, such as an authorized Kawasaki dealer, a reputable online marketplace (with verified reviews), or a well-known motorcycle parts supplier.
- **Inspect the part upon arrival** for cracks, rust, or signs of wear before installation.
- **Consider an aftermarket alternative** if the bike has been modified or if you re seeking performance improvements.
- **Pair with a carburetor tune-up** for optimal results, as the intake system works in conjunction with the carburetor and engine condition.
- **Store the part properly** if not using it immediately to prevent degradation from environmental exposure.
For most riders looking to **restore or maintain stock performance**, this part is a **reliable and worthwhile purchase**.
The product is a vintage Kawasaki air duct.