YAMAHA 371-14421-00-00 Air Box Filter Intake 73-74

( Part Type: Intake Box Filter ), ( Vintage Part: Yes ), ( Placement On Vehicle: Left ), ( Country Of Origin: Japan ), ( UPC: 371144210000 )

Review YAMAHA 73-74 Oem Air Box Filter Intake fits TX500 XS 500 1975

The **Yamaha 371-14421-00-00 1975 XS500/73-74 TX500 Air Box Filter Intake** is a meticulously crafted, high-performance replacement component designed to restore and enhance the breathing efficiency of Yamaha s legendary XS500 and TX500 models from the early 1970s. This genuine OEM-style air intake system is engineered to replicate the factory specifications of the original air box assembly, ensuring an exact fit while delivering superior airflow and improved throttle response. Crafted from durable, high-quality materials, the intake features a robust aluminum housing with precision-machined seals and a reinforced filter housing, all of which work in tandem to minimize air restriction and maximize engine efficiency. The filter itself is constructed from a dense, high-capacity cotton or synthetic blend, designed to trap dust, debris, and contaminants effectively while maintaining optimal airflow critical for preserving the longevity of the engine s internals. Whether used for restoration projects, performance tuning, or routine maintenance, this air intake system is a reliable upgrade that bridges the gap between vintage authenticity and modern performance demands. Its straightforward installation process, requiring minimal tools, makes it an accessible yet impactful modification for both novice and experienced mechanics. By restoring the engine s original breathing capacity, this component not only enhances the bike s power delivery and acceleration but also contributes to a cleaner, more responsive ride ideal for enthusiasts seeking to revive the raw, unfiltered spirit of Yamaha s classic cruisers.

### Yamaha XS500/Air Box Filter Intake (1975, Model 371-14421-00-00, 73-74 TX500)

1. **Authentic Vintage Performance** The air box and filter intake are original or high-quality replicas designed to replicate the stock performance of the XS500/TX500. This means you retain the bike s classic sound and power delivery, which enthusiasts often prefer over modern modifications.

2. **Preservation of Originality** If you value the bike s historical integrity, these parts help maintain its period-correct appearance and function. This is particularly appealing for collectors or riders who prioritize authenticity over raw power.

3. **Reliability** Yamaha s early 70s engines, when properly maintained, are known for their durability. Using original or well-reproduced parts reduces the risk of compatibility issues or performance degradation that can come with aftermarket modifications.

4. **Aesthetic Appeal** The stock air box and filter intake contribute to the bike s classic, clean look. For those who ride for nostalgia or show purposes, keeping these components intact enhances the bike s visual appeal.

5. **Simplicity** There s no need for complex modifications or tuning. The bike runs as it was intended, which can be easier to maintain and less prone to unexpected issues from aftermarket parts.

6. **Sound** The stock airbox and filter contribute to the XS500/TX500 s distinctive, throaty exhaust note. Riders who enjoy the bike s original character will appreciate this aspect.

7. **Ease of Maintenance** Original or well-made replicas are straightforward to service. You won t need to hunt for rare parts or worry about compatibility with aftermarket components.

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1. **Limited Performance** The stock air box and filter are not optimized for modern standards of power or efficiency. If you re looking to extract more performance from the bike, these parts will restrict airflow and power output compared to aftermarket alternatives like high-flow filters or custom airboxes.

2. **Maintenance Requirements** The stock filter (likely a paper or foam type) may require more frequent cleaning or replacement than modern synthetic filters. This adds to upkeep costs and effort over time.

3. **Durability Concerns** Original parts from this era may show signs of wear, such as cracks in the plastic airbox or degraded filters. Replicas should be high-quality, but even these can degrade over time, requiring replacement.

4. **Restricted Airflow** The stock airbox is designed for the bike s original specifications, which may not align with modern expectations for throttle response or power. Riders pushing the bike harder may find the stock setup limiting.

5. **Limited Availability** While replicas exist, finding exact original parts can be challenging. If you re restoring a bike, sourcing authentic components may require patience or specialty vendors.

6. **No Modern Upgrades** If you plan to modify the bike further (e.g., carburetor upgrades, exhaust, or engine work), the stock airbox may not integrate seamlessly with aftermarket parts. You might need to replace it eventually anyway.

7. **Potential for Dust Ingestion** The stock filter may not be as effective at blocking dust and debris as modern filters, which could lead to increased wear on the engine over time.

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Buying the Yamaha 371-14421-00-00 air box and filter intake for your 1975 XS500 or 73-74 TX500 is a solid choice if your priorities are **authenticity, nostalgia, and preservation of the bike s original character**. These parts are ideal for riders who enjoy the bike as it was intended, whether for daily riding, cruising, or maintaining a show-quality machine. They offer reliability, simplicity, and a classic sound that many enthusiasts cherish.

However, if you re looking to **maximize performance, efficiency, or modernize the bike**, these stock components will likely hold you back. In that case, investing in aftermarket alternatives (e.g., high-flow filters, custom airboxes, or performance-oriented replicas) may be more beneficial in the long run.

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- You value the bike s historical accuracy and classic feel.

- You re restoring or maintaining a bike for show or pure nostalgia.

- You don t plan to push the bike aggressively or modify it further.

- You prefer the original sound and simplicity of maintenance.

- You want to improve airflow and power output.

- You ride in dusty conditions and need better filtration.

- You plan to upgrade other components (e.g., carbs, exhaust) and want compatibility.

- You prioritize modern convenience and easier maintenance.

For most modern riders who enjoy their XS500/TX500 but want a balance between authenticity and performance, a **high-quality replica air box with a modern filter** (e.g., K&N or similar) could be a good compromise. This allows you to keep the classic look while benefiting from improved airflow and durability. Always ensure any aftermarket parts you choose are compatible with the bike s specifications.

Details:

Please review photos for condition and fitment. Item shows normal signs of wear but looks to be in usable condition. Items as shown. Strap is broken as shown in photos.

Removed from a 1975 XS500.

part #: 371144210000 prices

• $10.00-$45.00

specifications cyclevintagee:

• for models: Tx500, Xs, 500
• for makes: Yamaha
• for years: 1975
• part type: Intake Box Filter
• vintage part: Yes
• placement on vehicle: Left
• country of origin: Japan
• upc: 371144210000

offer cyclevintagee:

• quantity: 1
• started: April 18, 2026
• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0

seller cyclevintagee:

• city: Brooklyn, Michigan
• rating: 100.0%
• # reviews: 780

payments cyclevintagee:

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

returns cyclevintagee:

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

shipping cyclevintagee:

• transit: 4-10 Days
• service: UPS Ground Saver, USPS Ground Advantage, UPS Ground
• type: Calculated
• cost: $9.17
• class: Economy, Standard
• carrier: UPS, USPS

general cyclevintagee:

• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
• condition: Used

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