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  3. NOS 14073-1004

NOS 14073-1004 Air Duct Inlet Boot

fits model: Ke125, Kd125. make: Kawasaki.

14073-1004 Nos Oem Kawasaki Ke125 Kd125 Air Duct Inlet Boot

( Brand: Nos ), ( Manufacturer Part Number: 14073-1004 ), ( Part Type: Duct Boot )

Review NOS Oem Kawasaki Air Duct Inlet Boot fits KE125 KD125

The **Kawasaki KE125/KD125 Air Duct Inlet Boot (Part No. 14073-1004)** is a precision-engineered rubber component designed to ensure optimal airflow and sealing integrity within the intake system of Kawasaki s KE125 and KD125 models, including popular variants like the Ninja 125, Versys 125, and W125. Crafted from high-quality synthetic rubber, this inlet boot serves as a critical interface between the air filter housing and the throttle body or intake manifold, providing a flexible yet durable seal that minimizes air leakage while allowing smooth expansion and contraction during engine operation. Its tapered design and reinforced construction prevent premature wear, ensuring consistent performance even under varying thermal and mechanical stresses. The boot s snug fit against the throttle body s inlet flange helps maintain vacuum integrity, which is essential for proper carburetion or fuel injection operation, particularly in models equipped with Keihin or other high-performance intake systems. Over time, exposure to heat, oil residue, and mechanical strain can cause this component to crack or degrade, leading to inefficient airflow, rough idling, or even stalling making regular inspection and replacement a key part of routine maintenance. When installing the new boot, it is crucial to ensure proper alignment with the throttle body s inlet and secure fastening of the clamp or retaining ring to avoid misalignment or improper sealing. This part is a straightforward yet vital upgrade for riders seeking to restore factory performance, enhance reliability, or prepare their KE125/KD125 for modifications that require a clean, leak-free intake system.

### **Pros and Cons of buying a Kawasaki KE125/KD125 Air Duct Inlet Boot (Part No. 14073-1004)**

#### **Pros:**

1. **OEM Quality and Fit** This is an original Kawasaki replacement part, meaning it is designed to match the exact specifications of the original component. It should fit seamlessly without modifications, ensuring proper functionality and aesthetics.

2. **Durability** Kawasaki parts are generally built to last, using materials that can withstand the heat, vibrations, and environmental conditions typical of motorcycle engines. A well-made air boot reduces the risk of premature wear or failure.

3. **Performance Benefits** A properly functioning air duct inlet boot ensures optimal airflow to the engine, which can contribute to better throttle response, smoother power delivery, and improved fuel efficiency. Clogged or damaged boots restrict airflow, leading to performance degradation.

4. **Prevents Engine Damage** Over time, the original boot can degrade due to heat, oil splatter, or physical damage. Replacing it with a new OEM part prevents debris from entering the air intake system, reducing the risk of engine contamination or damage.

5. **Aesthetic Consistency** If you value the original look of your motorcycle, an OEM boot maintains the factory appearance. Aftermarket parts may not always match the color, shape, or finish as closely.

6. **Warranty Coverage** Purchasing directly from Kawasaki or an authorized dealer may entitle you to warranty protection, providing peace of mind in case of defects.

7. **Easy Installation** Since it is an OEM part, it is designed to be compatible with standard tools and procedures, making replacement a straightforward task for most mechanics or DIY enthusiasts.

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#### **Cons:**

1. **Cost** OEM parts from Kawasaki can be more expensive than aftermarket alternatives. While this ensures quality, it may not be the most budget-friendly option, especially if you are replacing multiple components.

2. **Limited Customization** If you are looking for performance upgrades or aesthetic modifications (e.g., different colors, materials, or airflow enhancements), an OEM boot offers no flexibility. Aftermarket options may provide better tuning potential.

3. **Potential for Counterfeit Parts** If purchasing from unauthorized sellers (e.g., third-party online marketplaces), there is a risk of receiving counterfeit or low-quality replicas that do not meet Kawasaki s standards. Always buy from reputable sources.

4. **Availability and Lead Times** Depending on your location, OEM parts may not always be in stock immediately. Some dealers may require ordering in advance, which could delay repairs or maintenance.

5. **Overkill for Minor Issues** If the original boot is only slightly damaged or worn, replacing it with a new OEM part might be more than necessary. In such cases, a simple repair or cleaning could suffice, saving money.

6. **Installation Complexity for Beginners** While generally straightforward, replacing the air boot may require some mechanical skill, especially if other components (e.g., hoses, clamps) need adjustment. Inexperienced riders might need professional help, adding to the cost.

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### **Conclusion:**

The Kawasaki KE125/KD125 air duct inlet boot (part no. 14073-1004) is a reliable OEM replacement that offers superior fit, durability, and performance benefits. It is ideal for riders who prioritize authenticity, long-term reliability, and engine protection. However, the higher cost and lack of customization options may deter those seeking budget-friendly or performance-enhanced alternatives.

If your primary goal is to maintain your motorcycle s original condition and ensure optimal airflow, the OEM boot is a strong recommendation. For those open to aftermarket options or looking to modify their bike, alternatives may offer better value or performance gains.

### **Recommendation:** - **Buy the OEM part if:**

- You want the best fit and warranty coverage.

- You prioritize the original appearance and long-term reliability.

- Your budget allows for the higher cost of genuine Kawasaki parts.

- **Consider aftermarket alternatives if:**

- You are on a tight budget and can find a high-quality aftermarket boot with similar specifications.

- You are looking for performance upgrades or aesthetic customization.

- You are confident in sourcing the part from a trusted seller to avoid counterfeits.

Always verify the authenticity of the part and ensure compatibility with your specific model before purchasing. If in doubt, consult a Kawasaki dealer or a trusted mechanic for guidance.

Details:

NOS OEM Kawasaki part Bin C3B1.

part #: 140731004 price

  • $115.00

specifications intakefuelmotorcycle:

  • for models: Ke125, Kd125
  • for makes: Kawasaki
  • brand: Nos
  • mpn: 14073-1004
  • part type: Duct Boot

offer intakefuelmotorcycle:

  • started: May 29, 2026
  • sold: 0
  • quantity: 2
  • availability: In Stock
  • options: Ship-to-home

seller intakefuelmotorcycle:

  • city: Orem, Utah
  • rating: 100.0%
  • # reviews: 6545

shipping intakefuelmotorcycle:

  • cost: $0.00
  • service: Standard
  • type: Fixed
  • transit: 4-7 Days
  • class: Standard

returns intakefuelmotorcycle:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

payments intakefuelmotorcycle:

  • other
  • credit card: Mastercard
  • wallet: Google-pay

general intakefuelmotorcycle:

  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
  • condition: New
for models: ke125, kd125, for makes: kawasaki, part type: duct boot,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery, sku: 24117005649163782,
Nos 14073-1004 Is Similar To:
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1 offer $115.00 USD
  • New. Offer #1 priced at $115.00 + $0.00 shipping estimate = $115.00* total. NOS OEM Kawasaki part Bin C3B1.FREE SHIPPING

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