Exhaust Yasuni Carrera 40 Minarelli horizontal
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Description
Yasuni C40 high-end Racing exhaust for Aerox
The Yasuni Carrera 40 is a top-tier racing exhaust built specifically for 95–100cc tuned Minarelli engines (e.g., Yamaha Aerox). Alongside the Yasuni Carrera 100 (which is made for use with racing engine cases), the C40 is one of the most powerful exhausts in Yasuni’s lineup—and arguably one of the strongest on the market, period.
Yasuni Carrera 40 - Design and performance
The Yasuni Carrera 40 Carbon for horizontal Minarelli is completely handmade, featuring flawless welds, precise detailing, and a clean finish. Delivered with a carbon-look aluminum silencer.
Performance is tuned and optimized for 100cc cylinders. The result: a perfect match for high-performance tuning cylinders from major brands like 2Fast, Stage6 R/T, and more. The Carrera 40 is built purely for racing—maximum power and brutal acceleration are the focus here.
The system is not street legal, race use only!
Details Yasuni Carrera 40
- Segment-welded body
- Carbon silencer
- Incl. bracket
- For 100cc setups
- For 50cc Minarelli horizontal LC (Yamaha Aerox and many more)
Exhaust scooter, moped, motorcycle
The exhaust has a major influence on the performance of scooters and mopeds. By replacing the original with a tuning exhaust, you can improve the gas flow and increase the engine power.
exhaust parts
- The headpipe or header is the connection between cylinder and exhaust, and an exhaust gasket provides the necessary seal. In street-legal systems, the headpipe is equipped with a legally required restriction. Some people remove this restrictor to increase power.
- The actual exhaust body or expansion chamber is connected to the header pipe. In a classic 2-stroke expansion chamber type exhaust, gas pressure waves are used to improve engine performance.
- At the end there us the silencer or muffler that discharges the exhaust gases and, with the help of damping wool, also reduces the noise generated by the vehicle.
Replacing the exhaust
As a general rule, please check if the exhausts fits BEFORE REMOVING THE RESTRICTOR, otherwise the exhaust cannot be returned.
For 2-stroke engines, various settings and components usually need to be adjusted when the original exhaust is replaced with a tuning version. These changes include:
- Adjusting the carburetor by replacing the main jet.
- Upgrading the clutch or replacing the clutch springs.
- For scooters, it may be necessary to reduce the weight of the variator weights.

Tuning Level: High End racing
We categorize our products into different performance levels Original, Sport, Racing and High End , so that our customers can choose the right parts for their setup. It is really important to combine parts that belong to the same tuning level, this is especially true for cylinders, crankshafts and exhausts.
High End Racing products are exclusively designed for racing and should only be handled by tuning pros with the appropriate technical know-how. High-end racing parts often require modifications or machining of certain elements to accommodate the often larger components (larger crank webs, larger intake, etc.). Whether you stick with 50cc or increase the displacement, high-end racing parts offer much higher performance than the original parts and are the most powerful tuning parts.
Note: To ensure the reliability of the engine, it is important that the parts are compatible and that you do regular maintenance on your two-wheeler.