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  3. YAMAHA 5V6-21649-00-00

YAMAHA 5V6-21649-00-00 Moto Airbox Boot Snorkel Damper

fits model: 125. make: Yamaha. year: 1980–1985.

5v6-21649-00-00 Yamaha Tri Moto 125 Airbox Boot Snorkel Damper 1980-1985 Nice

( Manufacturer Part Number: 5V6-21649-00-00 ), ( Part Type: Boot )

Review YAMAHA Tri Moto Airbox Boot Snorkel Damper Nice fits 125 1980–1985

The **Yamaha 5V6-21649-00-00 Moto 125 Airbox Boot, Snorkel, and Damper** is a meticulously engineered, high-performance component designed exclusively for Yamaha s iconic 125cc motorcycle models produced between 1980 and 1985, including the legendary **DT250, DT200, and DT125** variants. This precision-crafted assembly serves as a critical interface between the airbox and the engine s intake system, ensuring optimal airflow while maintaining a tight seal against dirt, debris, and moisture key factors in preserving engine longevity and performance. The **airbox boot** is constructed from durable, flexible **rubberized neoprene**, reinforced with a robust **polyurethane inner lining** to withstand the rigors of off-road riding, vibration, and temperature fluctuations. Its snug, interference-fit design minimizes air leakage, allowing the engine to breathe efficiently while maintaining a clean intake charge, which is essential for maintaining throttle response and fuel economy.

The **snorkel** component extends the intake tract below the airbox, enabling the motorcycle to draw cleaner air from a lower elevation particularly advantageous when navigating deep ruts, sand, or uneven terrain where dust and debris accumulate near ground level. Engineered with a **smooth, tapered bore**, the snorkel reduces turbulence and backpressure, ensuring a steady, unrestricted flow of air into the carburetor. Its **corrosion-resistant metal housing** is securely bonded to the rubber boot, preventing kinks or dislodgment under high-G maneuvers, while the **integrated damper** acts as a secondary seal, absorbing minor vibrations and preventing premature wear on the airbox gasket.

For restoration enthusiasts and performance-minded riders, this **OEM replacement part** is a direct drop-in solution, maintaining the original fitment and functionality of Yamaha s factory assembly. Whether restoring a classic bike to showroom condition or upgrading an existing setup for improved reliability, the **5V6-21649-00-00** ensures a perfect seal, reduces intake noise, and protects internal components from contamination. Built to withstand the demands of both street and trail use, this component is a testament to Yamaha s engineering precision, offering riders a blend of durability, performance, and authenticity that keeps the spirit of these legendary machines alive.

### Pros and Cons of buying a Yamaha 5V6-21649-00-00 Airbox Boot (Snorkel Damper) for 1980 1985 Models

#### **Pros:**

1. **Improved Air Intake and Performance** The snorkel damper allows the engine to draw air from higher up in the airbox, reducing the risk of sucking in debris, water, or dirt when riding over rough terrain or in wet conditions. This can help maintain engine performance and longevity, especially in off-road or variable conditions.

2. **Enhanced Reliability** By preventing water or mud from entering the carburetor or intake system, the snorkel damper reduces the chances of flooding, clogging, or damage to critical components. This is particularly useful for older bikes that may not have been designed with modern suspension or protection features.

3. **Compatibility with Stock Setup** This part is an OEM (original equipment manufacturer) or high-quality aftermarket replacement designed specifically for Yamaha 5V6 models from 1980 1985. It should fit seamlessly without requiring extensive modifications, making installation straightforward for most mechanics or DIY enthusiasts.

4. **Cost-Effective Protection** Compared to more extensive engine upgrades or full airbox rebuilds, this part is relatively inexpensive. Replacing a damaged or worn snorkel damper is a minor investment that can prevent costly repairs down the line.

5. **Easy Installation** The snorkel damper is typically a bolt-on replacement. It may require removing the airbox cover and connecting it to the existing intake system, but no major disassembly is usually needed. This makes it accessible for riders with basic mechanical skills.

6. **Preservation of Original Aesthetics** Since this part is designed to match the stock airbox, it maintains the bike s original look without requiring aftermarket modifications that could alter its classic appearance.

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#### **Cons:**

1. **Limited Durability Over Time** Like many OEM or older aftermarket parts, the snorkel damper may wear out or degrade after prolonged use, especially if exposed to harsh conditions (e.g., mud, salt, or extreme temperatures). It may require periodic inspection or replacement.

2. **Potential for Leaks or Loose Connections** If not installed correctly or if the rubber gaskets/seals wear out, the snorkel damper could develop leaks, allowing air to escape or debris to enter. This might require additional sealing materials or adjustments during installation.

3. **No Performance Gains (Purely Functional)** While the snorkel damper improves reliability and intake protection, it does not enhance power, throttle response, or acceleration. Riders looking for performance upgrades may need to combine this with other modifications (e.g., carburetor tuning, exhaust work).

4. **Availability and Sourcing Challenges** Depending on the region, finding this specific part (especially for older models) may require purchasing from specialty motorcycle parts dealers, online marketplaces, or eBay. Stock may be limited, and prices could fluctuate based on demand.

5. **Installation May Require Cleaning** Before installing the snorkel damper, the airbox and surrounding area should be thoroughly cleaned to remove dirt, old gaskets, or corrosion. Neglecting this step could lead to improper sealing or reduced effectiveness.

6. **Not a Universal Fix for All Issues** While the snorkel damper addresses intake-related problems, other potential issues (e.g., worn pistons, carburetor drift, or exhaust restrictions) may still affect performance. This part is one piece of a larger maintenance puzzle.

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### **Conclusion**

The Yamaha 5V6-21649-00-00 airbox boot (snorkel damper) is a practical and relatively low-cost upgrade for 1980 1985 Yamaha 5V6 models. Its primary benefits lie in improving engine reliability by preventing water, mud, or debris from entering the intake system, which is especially valuable for riders who frequently tackle rough terrain or ride in wet conditions. The part is easy to install and maintains the bike s original appearance, making it an attractive option for those who prioritize functionality without drastic modifications.

However, it is not a performance-enhancing part and may require occasional maintenance or replacement. The biggest drawbacks are potential durability issues over time and the need to source the part from specialized suppliers. For riders who want to extend the life of their engine and avoid intake-related failures, this is a worthwhile investment. Those who are already experiencing severe performance issues or mechanical problems may need to address those first before focusing on the snorkel damper.

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### **Recommendation**

If you own a 1980 1985 Yamaha 5V6 and have noticed issues like:

- Engine flooding or rough idling after riding through water or mud,

- Reduced power or hesitation due to clogged intake,

- Visible wear or damage to the existing airbox boot,

then purchasing and installing the **Yamaha 5V6-21649-00-00 snorkel damper** is highly recommended. It is a simple, cost-effective solution that can significantly improve reliability without altering the bike s character.

For best results:

- Clean the airbox thoroughly before installation.

- Use high-quality gaskets or sealant if needed to prevent leaks.

- Combine this upgrade with regular maintenance (e.g., carburetor cleaning, air filter checks) for optimal engine health.

If you are unsure about installation or encounter resistance, consult a motorcycle mechanic to ensure proper fitting. For riders who enjoy off-road riding or frequently face harsh conditions, this part is an essential upgrade to protect their investment.

Details:

Perfect used condition soft and pliable un weathered. Possible fit other model's.

part #: 5v6216490000 prices

  • $17.95-$23.45

specifications atvfendersgo:

  • for models: 125
  • for makes: Yamaha
  • for years: 1980-1985
  • mpn: 5v6-21649-00-00
  • part type: Boot

seller atvfendersgo:

  • # reviews: 8665
  • rating: 99.9%
  • city: Iron City, Tennessee

general atvfendersgo:

  • Body Frame > Body Parts, doors Fenders > Fenders
  • condition: Used

returns atvfendersgo:

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

shipping atvfendersgo:

  • cost: $6.50
  • class: Standard
  • carrier: USPS
  • type: Fixed
  • transit: 3-10 Days
  • service: USPS Ground Advantage

offer atvfendersgo:

  • started: May 20, 2026
  • availability: In Stock
  • quantity: 1
  • sold: 0
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  • options: Ship-to-home

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for models: 125, for makes: yamaha, for years: 1980-1985, part type: boot,
category: atv parts > body frame > body parts, doors fenders > fenders, sku: 25880536545051871,
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