1. Motorcycle Intake & Fuel Systems Deals
  2. sku: 24115986614933741
  3. YAMAHA 21W-14412-00-00

YAMAHA 21W-14412-00-00 Air Cleanerbox Intake Cleaner Airbox

fits model: Pw80. make: Yamaha. year: 1983–1985.

21w-14412-00-00 Yamaha 1985 Pw80 83-85 Oem Airbox Intake Air Cleaner Case Yellow

( Manufacturer Part Number: 21W-14412-00-00 ), ( Assembly: Yes ), ( Type: Airbox Assembly )

Review YAMAHA Oem Airbox Intake Air Cleaner Case Yellow fits PW80 1983–1985

The **Yamaha PW80 Airbox Intake Air Cleaner (Part Number: 21W-14412-00-00, Model Years: 1983 1985)** is a meticulously engineered component designed to ensure optimal performance, reliability, and longevity for Yamaha s iconic PW80 adventure motorcycle. This air cleaner is a critical part of the bike s intake system, responsible for filtering incoming air while maintaining proper airflow to the engine. Crafted with Yamaha s signature precision, the airbox features a robust, durable design that combines functionality with ease of maintenance. The unit is constructed from high-quality materials, including a sturdy plastic housing and a replaceable foam filter element that effectively traps dust, debris, and contaminants, protecting the engine from premature wear and tear. The intake system is designed to work seamlessly with the PW80 s carbureted setup, ensuring a clean and unrestricted flow of air to the carburetors, which is essential for maintaining peak power delivery, smooth throttle response, and efficient fuel combustion. Whether you're cruising through rugged terrain or navigating city streets, this air cleaner plays a vital role in preserving the engine s health and performance. For riders who appreciate both performance and practicality, this part is a straightforward yet essential upgrade or replacement option, offering a balance of durability and ease of servicing. With its compatibility across the 1983 to 1985 model years of the PW80, this airbox intake air cleaner remains a reliable choice for enthusiasts looking to restore or maintain their Yamaha s original functionality.

### **Pros and Cons of Buying a 1985 1985 Yamaha PW80 (Model 21W-14412-00-00) Airbox Intake/Air Cleaner**

#### **Pros**

1. **Authentic Vintage Fit and Finish** The airbox and intake system are original or high-quality aftermarket replicas designed to match the factory specifications of the PW80. This ensures a seamless fit, proper airflow, and an authentic look if you re restoring or maintaining period-correct aesthetics.

2. **Improved Airflow and Performance** A clean, well-maintained airbox and intake system can enhance engine breathing, especially if the original components were worn or clogged. This may lead to slightly better throttle response and smoother operation, particularly in stock or lightly modified engines.

3. **Easier Maintenance Access** The airbox is a common point of wear in older Yamaha engines. Replacing it prevents leaks, reduces dust ingress, and simplifies future servicing. A fresh air filter also extends the life of the engine by keeping debris out of the carburetor and intake passages.

4. **Cost-Effective Restoration Part** Compared to buying a complete engine or a full rebuild kit, an airbox and intake are relatively inexpensive. This makes them a practical choice for budget-conscious restorers or riders who want to avoid unnecessary expenses.

5. **Compatibility with Modifications** If you plan to upgrade the PW80 s carburetion (e.g., swapping to a Keihin or Mikuni) or install an aftermarket intake, a new airbox provides a solid foundation. It ensures that any modifications integrate cleanly without airflow restrictions.

6. **Prevents Future Issues** A failing airbox can cause vacuum leaks, rough idling, or reduced power. Replacing it proactively avoids these problems and keeps the engine running reliably, especially in high-mileage or heavily used PW80s.

7. **Aesthetic Appeal** For collectors or enthusiasts who value the original appearance of the PW80, a genuine or well-made replica airbox helps maintain the bike s vintage charm. It s a small but noticeable detail that contributes to an authentic look.

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#### **Cons**

1. **Potential for Counterfeit or Low-Quality Replicas** The aftermarket for vintage Yamaha parts can be hit-or-miss. Some sellers may offer knockoffs that don t fit properly, leak, or degrade quickly. Always verify the authenticity and material quality before purchasing, especially from unknown sources.

2. **Minimal Performance Gains** While a clean airbox helps, the PW80 is not a high-performance bike by modern standards. Stock engines are limited by carburetion and mechanical design. Expect modest improvements rather than dramatic power increases.

3. **O-Ring and Gasket Wear** Even new airboxes may require new gaskets or O-rings to prevent leaks. Over time, these components can dry out or degrade, leading to vacuum leaks that affect performance. Regular inspection is necessary.

4. **Limited Availability of Spare Parts** If the airbox fails prematurely or requires modifications, finding exact replacements can be challenging. Some vendors may not stock Yamaha-specific parts, forcing you to rely on aftermarket alternatives.

5. **Installation Complexity** Depending on the bike s condition, removing the old airbox and installing the new one may require disassembling parts of the carburetor or intake system. Riders with limited mechanical experience might find the process frustrating or time-consuming.

6. **Cost of Additional Components** If the airbox purchase comes with a new air filter, it may not be the best quality. High-performance filters (e.g., K&N or oil-wetted cotton) can improve airflow further but may require additional tools or modifications to install properly.

7. **Mixed Benefits for Restored vs. Ridden Bikes** If the PW80 is a static display or a project bike, the airbox is a cosmetic upgrade. However, if the bike is ridden frequently, the benefits are more practical (e.g., reduced maintenance, better airflow). For casual riders, the return on investment may be minimal.

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### **Conclusion**

Buying a **1985 1985 Yamaha PW80 airbox intake (21W-14412-00-00)** is a **practical and cost-effective choice** for riders and restorers who prioritize reliability, authenticity, and minor performance improvements. The part is relatively inexpensive, easy to install, and helps prevent common engine issues. However, it s not a high-impact upgrade expect modest gains rather than significant power increases.

The decision hinges on your priorities:

- **For restorers or collectors**, it s a necessary component for authenticity and long-term maintenance.

- **For riders**, it s a low-risk upgrade that may slightly improve throttle response and reduce future headaches.

- **For performance seekers**, it s a small step, but pairing it with carburetor tuning or a high-flow intake would yield better results.

If you proceed, **prioritize quality over price** opt for a reputable seller (eBay, Yamaha parts dealers, or trusted aftermarket suppliers) to avoid counterfeit or poorly made parts. Also, pair the airbox with a **high-quality air filter** (e.g., a cotton or foam filter with proper oiling) to maximize airflow and longevity.

### **Recommendation**

**Buy the airbox if:**

- You re restoring the PW80 and want period-correct components.

- The bike shows signs of airbox wear (leaks, reduced power, rough idling).

- You plan to ride the bike regularly and want to minimize maintenance issues.

**Avoid or reconsider if:**

- You re on a tight budget and can prioritize other upgrades (e.g., carburetor rebuild, exhaust).

- You re not mechanically inclined and the installation seems daunting.

- You expect dramatic performance gains (the PW80 s stock engine limits how much airflow improvements will help).

**Final Verdict:** **Worth it for most riders and restorers**, but not a game-changer. Focus on quality sourcing and complementary upgrades (like a fresh air filter) to get the most out of it.

Details:

Remaining 2 threaded inserts for lid are intact and functional. Cover has some mild fading nothing major overall and is in decent shape for the age. 1985 YAMAHA PW80 83-85 OEM AIRBOX INTAKE AIR CLEANER CASE 21W-14412-00-00 YELLOW, This airbox assembly is in good condition and shows normal signs of wear. Removed From: 1985 Yamaha PW80, Please review all pictures to assess the condition of item.

Could run as is but do recommend repairing both inserts to ensure a proper seal on the filter lid. 1 threaded insert has been completely removed, and another a bolt broken off inside as shown for airbox cover. Both mounting tabs are fully intact.

part #: 21w144120000 price

  • $159.99

specifications intakefuelmotorcycle:

  • for models: Pw80
  • for makes: Yamaha
  • for years: 1983-1985
  • mpn: 21w-14412-00-00
  • assembly: Yes
  • type: Airbox Assembly

shipping intakefuelmotorcycle:

  • carrier: UPS
  • class: Standard
  • type: Fixed
  • service: UPS Ground
  • transit: 5-11 Days
  • cost: $0.00

general intakefuelmotorcycle:

  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
  • condition: Used

payments intakefuelmotorcycle:

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

returns intakefuelmotorcycle:

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

seller intakefuelmotorcycle:

  • rating: 99.9%
  • city: Virginia Beach, Virginia
  • # reviews: 4522

offer intakefuelmotorcycle:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1
  • started: May 29, 2026
for models: pw80, for makes: yamaha, for years: 1983-1985, assembly: yes, type: airbox assembly,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery, sku: 24115986614933741,
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1 offer $159.99 USD
  • Used. Offer #1 priced at $159.99 + $0.00 shipping estimate = $159.99* total. Remaining 2 threaded inserts for lid are intact and functional. Removed From: 1985 Yamaha PW80.FREE SHIPPING

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