The term escapamento RD refers to the exhaust system installed on Yamaha RD motorcycles. These classic bikes, especially the RD 135 and RD 350, have achieved legendary status among motorcycle enthusiasts worldwide. Their performance, speed, and aggressive two-stroke sound are tightly connected to the unique design of their exhaust systems.
This article explores everything about escapamento RD, from its history to technical details, upgrades, customization, maintenance, and how it impacts both performance and style. Whether you are a rider, a collector, or just a fan of classic two-strokes, this guide will give you new insights and practical knowledge.
History of the Yamaha RD Series
The Yamaha RD series emerged in the 1970s and quickly became a benchmark in the world of two-stroke motorcycles. The RD 135 and RD 350, in particular, were beloved for their lightweight frames, strong acceleration, and racing DNA.
One of the most distinctive elements of these bikes was their exhaust system. The escapamento RD wasn’t just a pipe – it was an engineering masterpiece that shaped the character of the motorcycle. The expansion chamber design, tuned to extract maximum power from the engine, made the RD roar in a way riders never forgot.
Why Escapamento RD Matters
The exhaust system of a motorcycle is more than just a channel for gases. On the Yamaha RD, it played three major roles:
- Performance Boost – The design of the expansion chamber helped create more horsepower, especially in mid to high RPMs.
- Sound Signature – The famous two-stroke scream of an RD was largely produced by the exhaust design.
- Style Statement – A polished chrome or custom-painted escapamento RD became a style icon, making the bike instantly recognizable.
For many enthusiasts, owning or upgrading the escapamento da RD 135 or RD 350 is about preserving the soul of these bikes.
Escapamento da RD 135: The Lightweight Performer
The Yamaha RD 135 was a smaller but equally fierce sibling in the RD family. Its escapamento da RD 135 was designed with precision to match the bike’s 135cc two-stroke engine.
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Features of Escapamento RD 135
- Slimmer body with tuned expansion chamber.
- Optimized for fast acceleration in city rides.
- Produced a sharper, high-pitched exhaust note compared to the RD 350.
- Lightweight construction that balanced the overall performance of the motorcycle.
Enthusiasts today still look for original escapamento rd 135 parts or high-quality replicas to restore their bikes to factory condition.
Escapamento RD 350: The Legend of Power
If the RD 135 was about agility, the RD 350 was pure power. Nicknamed “the pocket rocket” and “widowmaker,” this bike’s exhaust was a crucial factor in its reputation.
Features of Escapamento RD 350
- Larger expansion chamber to handle the 350cc engine output.
- Deep, aggressive two-stroke sound that became its trademark.
- Tuned for high-speed runs and racing dominance.
- Heavier, but balanced to handle the bike’s extra horsepower.
The escapamento RD 350 remains one of the most iconic motorcycle exhaust systems ever created.
Original vs Aftermarket Escapamento RD
Owners of Yamaha RD motorcycles often face the choice between keeping the original exhaust or upgrading to aftermarket versions.
Original Escapamento RD
- Preserves the bike’s authenticity.
- Collectors value original parts for restoration projects.
- Often harder to find and more expensive.
Aftermarket Escapamento RD
- Provides improved performance with modern engineering.
- Offers customization in style, finish, and sound.
- More affordable and accessible than rare OEM parts.
Riders often combine originality with modern technology, using aftermarket exhausts that replicate the look of the stock escapamento RD but add performance upgrades.
Performance Tuning with Escapamento RD
One of the most exciting aspects of RD ownership is tuning. The escapamento plays a central role in this.
- Expansion Chamber Design – Custom exhausts with re-engineered chambers can increase horsepower dramatically.
- Jetting Adjustments – To match the new exhaust, carburetor jets often need recalibration.
- Sound Customization – Riders choose exhausts that create a louder or smoother tone depending on preference.
Tuning a escapamento da RD 135 for city performance differs from tuning an RD 350 for long-distance racing. Each requires careful adjustment to unlock maximum potential.
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Escapamento RD in Modern Customization
In the custom motorcycle scene, escapamento RD continues to inspire. Builders and hobbyists design unique pipes to give the bike a fresh look while retaining its classic essence.
- Chrome Plating – Keeps the retro shine alive.
- Matte Black Finishes – For a stealthier, modern style.
- Handmade Custom Chambers – Crafted by artisans for unique sound and performance.
For many riders, customizing the exhaust is the first step toward personalizing their RD.
Maintenance Tips for Escapamento RD
Keeping your exhaust in top shape ensures long-lasting performance.
- Regular Cleaning – Carbon buildup inside the pipe can reduce power.
- Rust Prevention – Apply protective coating or paint to avoid corrosion.
- Leak Checks – Gaskets and joints should be inspected to prevent exhaust leaks.
- Proper Storage – If the bike is stored for long periods, ensure the exhaust is dry to prevent internal rusting.
Restored motorcycles often feature a fully polished or re-chromed escapamento RD 135, showing the pride of ownership.
The Cultural Impact of Escapamento RD
Beyond mechanics, the exhaust system became part of motorcycle culture. The scream of an RD 350 racing through city streets became a sound of rebellion, youth, and freedom. The escapamento was not just a part—it was a voice.
In many countries, RD riders are instantly recognized by the distinct two-stroke noise of their bikes. Communities and clubs often showcase custom or rare escapamento RD setups at vintage motorcycle meets.
Buying Escapamento RD Today
Finding a genuine escapamento RD or even a good aftermarket version can be a challenge.
- Online Marketplaces – Websites like eBay and Mercado Livre often list original parts.
- Specialty Shops – Classic motorcycle stores carry replicas and custom options.
- Enthusiast Communities – Joining RD forums and clubs helps find trusted sellers.
Buyers should carefully inspect products, as counterfeit exhausts are common. Always check weld quality, chamber size, and material durability.
Escapamento RD and Environmental Concerns
Modern motorcycle regulations are stricter about emissions and noise. The original RD exhausts were designed before these standards.
- Noise Restrictions – Some countries limit the decibel levels of two-stroke exhausts.
- Emission Regulations – Old RD bikes may require modifications to pass inspection.
However, collectors often keep their bikes in original form for shows and vintage events, where regulations are more relaxed.
Future of Escapamento RD Enthusiasm
Even decades after production stopped, the escapamento RD remains a hot topic among riders and collectors. With modern manufacturing, it’s easier to produce high-quality replicas that preserve the spirit of the originals.
Younger riders, drawn by nostalgia and the unique character of two-strokes, continue to restore and upgrade these motorcycles. The escapamento da RD 135 and RD 350 will likely remain symbols of speed and individuality for years to come.
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FAQs about Escapamento RD
What makes escapamento RD different from other motorcycle exhausts?
The expansion chamber design specifically tuned for two-stroke performance makes it unique. It amplifies both power and sound.
Can I install an aftermarket exhaust on an RD 135 or RD 350?
Yes. Many aftermarket exhausts are designed for these models. Just ensure you adjust carburetor settings to match.
How do I maintain an original escapamento RD?
Keep it clean from carbon buildup, protect it from rust, and store the bike in a dry place. Regular inspections are key.
Is the escapamento da RD 135 still available for purchase?
Originals are rare, but replicas and aftermarket versions are widely available online and in specialty shops.
Does a modified escapamento RD affect fuel efficiency?
Yes. Performance exhausts can increase fuel consumption, but they also provide more power and speed.
Why is the RD 350 exhaust called legendary?
Because it produced one of the most recognizable sounds in motorcycle history and delivered unmatched performance in its class.
Conclusion
The escapamento RD is more than a motorcycle part—it’s a symbol of freedom, performance, and culture. Whether you ride the escapamento da RD 135 for city thrills or the powerful escapamento RD 135 (RD 350) for open-road dominance, the exhaust defines the character of these bikes.
From history to customization, from maintenance to modern replicas, the legacy of escapamento RD continues to grow, inspiring new generations of riders. Owning or restoring one is not just about mechanics—it’s about keeping alive the sound and spirit of an era that will never be forgotten.
