YAMAHA 235-14720-00-00 Right Exhaust Muffler Silencer Pipe 156-14720-00

( Placement On Vehicle: Exhaust ), ( Type: Muffler ), ( UPC: 235147200000 )

Review YAMAHA Vtg Oem Right Side Exhaust Muffler Silencer Pipe fits YR3 R3 1969

The **Yamaha 1969 YZ350R (YR3) Right Exhaust Muffler and Silencer Pipe (Part #156-14720-00, OEM #235-14720-00-00)** is a meticulously crafted, vintage component designed to restore or enhance the performance and authenticity of one of the most iconic dirt bikes of the late 1960s. This original equipment muffler and silencer pipe, sourced from a Yamaha YZ350R produced in the legendary **YR3 model year**, embodies the engineering precision and craftsmanship of an era when reliability and raw power were paramount. The muffler features a **chrome-plated steel construction**, ensuring durability while maintaining a classic aesthetic that complements the bike s retro appeal. The design incorporates a **single-chambered exhaust system** with a smooth, tapered inner bore, optimized for efficient exhaust flow and a distinctive, throaty growl that defines the YZ350R s signature sound. The muffler s **flared outlet** and **precision-welded seams** not only contribute to its structural integrity but also reflect Yamaha s attention to detail in minimizing weight while maximizing performance. Whether you're a collector seeking to preserve the originality of your YR3 or a rider aiming to replicate the authentic exhaust note of the era, this muffler delivers both heritage and functionality. Its compatibility with the right-hand side exhaust system ensures a seamless fit, allowing for easy installation without the need for modifications. Perfect for restorations, custom builds, or enthusiasts who appreciate the unmistakable character of Yamaha s classic racing heritage, this muffler is a must-have for anyone who values both performance and nostalgia.

### Yamaha YZF-R3 (1969 Model) Right Exhaust Muffler/Silencer Pipe (Part Number: 156-14720-00, Vintage/Aftermarket Replica)

#### **Overview**

The Yamaha YZF-R3 (1969 model) is a classic motorcycle, and aftermarket or vintage replica exhaust components like the right muffler/silencer pipe (156-14720-00) are sought after by enthusiasts for both performance and aesthetic reasons. Below is a detailed breakdown of the pros and cons of purchasing this part.

---

### **Pros**

1. **Authentic Vintage Look**

- The 1969 Yamaha R3 was a groundbreaking sportbike in its time, and this exhaust piece replicates the original design, giving the bike a period-correct appearance. For collectors or restorers, this is invaluable.

2. **Improved Sound**

- Vintage exhausts often produce a deeper, more resonant tone compared to modern exhausts, which may be perceived as harsher or more aggressive. The 1969-era exhaust sound is prized for its smooth, melodic quality, appealing to purists.

3. **Performance Benefits (Potential)**

- Older exhaust systems were often designed with different materials and tolerances than modern ones. Some riders report that vintage or aftermarket replicas can improve exhaust flow slightly due to differences in design or manufacturing processes. However, this is subjective and depends on the bike s overall condition.

4. **Compatibility with Classic Modifications**

- If you re restoring or modifying a vintage Yamaha R3, this exhaust piece will integrate seamlessly with other period-correct parts, such as vintage carburetors, forks, or frames.

5. **Aftermarket Support and Customization**

- The aftermarket for vintage Yamaha parts is robust, meaning you can easily find additional components, gaskets, or accessories to complement this exhaust. Some manufacturers offer custom paint jobs or chrome finishes to further personalize the bike.

6. **Nostalgia and Enthusiasm**

- For riders who appreciate the history and craftsmanship of the 1960s, owning a bike with authentic or replica vintage parts can be deeply satisfying. It connects the owner to a bygone era of motorcycle engineering.

7. **Potential for Increased Resale Value**

- If you re restoring a vintage Yamaha R3, using original or replica parts can enhance its value in the collector s market. Enthusiasts and collectors often pay a premium for bikes with authentic period hardware.

---

### **Cons**

1. **Limited Availability and Lead Times**

- Vintage or replica parts, especially for older Yamaha models, can be difficult to source. The part may require special ordering from niche suppliers, leading to longer wait times compared to mass-produced modern parts.

2. **Higher Cost Relative to Modern Alternatives**

- Authentic vintage parts or high-quality replicas are often more expensive than contemporary exhaust systems. The cost reflects the rarity, craftsmanship, and demand for period-correct components.

3. **Potential for Incompatibility with Modern Modifications**

- If your bike has been heavily modified with modern components (e.g., high-performance exhaust headers, aftermarket fueling), the vintage exhaust may not integrate as smoothly. This could lead to issues like poor tuning, exhaust leaks, or fitment problems.

4. **Durability Concerns**

- Older exhaust systems were built with different materials and standards than modern ones. The 1969-era exhaust may be more prone to rust, cracking, or wear over time, especially if the bike is ridden aggressively or in harsh conditions. Modern exhausts often use corrosion-resistant materials like stainless steel or high-grade aluminum.

5. **Sound Regulations**

- Depending on your location, vintage exhausts may not meet modern noise regulations. Some areas have strict decibel limits for motorcycles, and a 1969-era exhaust could exceed these limits, requiring additional modifications (e.g., mufflers or sound dampening) to comply with local laws.

6. **Maintenance Challenges**

- Vintage exhausts may require more frequent maintenance, such as checking for leaks, replacing gaskets, or addressing rust. Modern exhausts are often more durable and easier to maintain.

7. **Fitment Issues**

- While this part is designed for the 1969 Yamaha R3, slight variations in frame or exhaust mounting points could occur due to wear, modifications, or differences between individual bikes. A professional fitting may be necessary to ensure a proper seal and function.

8. **Limited Performance Gains**

- Unlike modern high-flow exhausts, the vintage replica may not offer significant performance improvements. The gains, if any, are often minimal and may not justify the cost for performance-focused riders.

---

### **Conclusion**

Purchasing the Yamaha 1969 R3 right exhaust muffler/silencer pipe (156-14720-00) is a decision that hinges on your priorities as a rider. If your goals are **aesthetic authenticity, vintage sound, and collector appeal**, this part is an excellent choice. It will enhance the bike s historical integrity and appeal to enthusiasts who value period-correct modifications.

However, if your priorities are **performance, durability, or practicality**, the cons such as higher cost, potential fitment issues, and limited availability may outweigh the benefits. In this case, a modern exhaust system or a high-quality aftermarket replica designed for contemporary standards might be a more practical option.

For riders who are restoring or preserving a vintage Yamaha R3, this exhaust is a worthwhile investment. For those looking to build a modern sportbike or prioritize performance, it may not be the best choice.

---

### **Recommendation**

- You are restoring or maintaining a vintage Yamaha R3 and want an authentic look and sound.

- You are a collector or enthusiast who values period-correct parts.

- You are willing to invest in the aesthetic and historical value of the bike over raw performance.

- You have access to a trusted mechanic to ensure proper fitment and maintenance.

- You are primarily focused on performance and want a modern exhaust system.

- You are on a tight budget, as the cost may not align with the performance gains.

- You live in an area with strict noise regulations that could conflict with the vintage exhaust s sound.

- You plan to heavily modify the bike with modern components that may not integrate well with the vintage exhaust.

For most riders, a balance between vintage authenticity and modern practicality is ideal. If you re unsure, consider consulting with a Yamaha specialist or a vintage motorcycle restorer to assess whether this part aligns with your project s goals.

Details:

Used has surface rust and scratches.

part #: 235147200000 prices

• $69.99-$299.99

specifications cyclemufflermo:

• for models: Yr3, R3
• for makes: Yamaha
• for years: 1969
• placement on vehicle: Exhaust
• type: Muffler
• upc: 235147200000

shipping cyclemufflermo:

• service: USPS Ground Advantage, UPS Ground
• cost: $48.25
• class: Standard
• carrier: USPS, UPS
• transit: 4-10 Days
• type: Calculated

payments cyclemufflermo:

• credit card: Discover
• other
• wallet: Paypal

general cyclemufflermo:

• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Silencers, Mufflers Baffles
• condition: Used

returns cyclemufflermo:

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

offer cyclemufflermo:

• quantity: 1
• best offers: True
• started: May 16, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home

seller cyclemufflermo:

• city: Pine Grove, Pennsylvania
• rating: 100.0%
• # reviews: 5249

Yamaha 156-14720-00 Is Similar To:

• 5bn-14703-02-00 5bn-14704-03-00 Yamaha Star Exhaust (21.3% similar) 650 v star exhaust 5BN note small rub mark and little marks on bottom pipe...(May 14th, 2018)
• 005-1130408 Two Brothers Yamaha Dual Exhaust Titanium (25.5% similar) Mounting system eliminates the need for springs resulting a more secure. They are currently the only us company to exclusively use filament wound carbon fiber CF on every muffler sell. Carbon fiber two brothers has been using in motorcycle mufflers since. Two brothers racing more than titanium or ...(March 21st, 2018)
• Vale Slip Dual 005-1170408 Brothers Titanium Two Exhaust Yamaha Fzs600 Fz6 (30.4% similar) Part #:FZS600 prices...(January 23rd, 2015)
• 005-1460406v-b Two Brothers Racing Black Series Muffler Aluminum Fits Yamaha (31.4% similar) Note: image is for reference only, actual product may vary slightly depending on your specific application...(May 22nd, 2018)
• Two Aluminum Slip Exhaust Fjr1300a Brothers Fjr1300ae Yamaha 005-1560406dm Vale Dual (27.6% similar) Part #:FJR1300AE prices...(January 12th, 2015)
• 005-2380405v-s Two Brothers Racing Yamaha Exhaust Silver Cf (27.1% similar) Used two brothers M-2 silver series carbon fiber slip-on system for yamaha YZF-R1. No dents, rashes, or deep scratches. Sounds amazing. Manufacturer part: v-UPC: 67. It is in great condition. It is coming off of a 2014 yamaha YZF-R1...(August 7th, 2018)
• 005-3050406v-b Two Brothers Racing Yamaha Black Series Exhaust Aluminum (26.3% similar) Dino tuned and track tested, like all BR exhausts, the black series are aimed at those who want absolute top level performance but smart understated aesthetics. Designed and built with painstaking care attention to detail, two brothers racing is proud release our m2 slip-on exhaust system for the ...(October 7th, 2018)
• 005-3120407v-b Two Brothers Racing Black Muffler Carbon Fits Yamaha Super Tenere (23.9% similar) Note: image is for reference only, actual product may vary slightly depending on your specific application...(July 3rd, 2018)
• 005-3120408v-b Two Brothers Racing Yamaha Super Tenere Exhaust Titanium (25.1% similar) 30Z lighter than the m or c series aluminum mufflers. Two brothers racing M-2 slip-on exhaust system for the 2011 yamaha super tenure, available with either aluminum, titanium or high-temp carbon fiber canisters. More than titanium or carbon fiber mufflers. Two brothers yamaha XTZ1200 super tenure...(October 7th, 2018)
• 005-3920406-s1b Two Brothers Racing Black Muffler Alu Fits Yamaha Super Tenere (24.1% similar) Note: image is for reference only, actual product may vary slightly depending on your specific application...(March 7th, 2018)
• 005-4160406-s1b Two Brothers Racing Black Series Muffler Aluminum Yamaha (32.1% similar) Note: image is for reference only, actual product may vary slightly depending on your specific application...(April 25th, 2018)