Description
Airsal XTrem 88cc cylinder for Derbi Euro 2
High-end racing cylinder from Airsal: Airsal 88cc Xtrem cylinder and cylinder head for Derbi Euro 2 (EBE050 / EBS050).
Performance Airsal Xtrem 88cc aluminum cylinder
The red-painted Airsal Racing Xtrem cylinder delivers an impressive 88cc of displacement from a 50cc bore, but only in conjunction with the matching 45mm stroke crankshaft from Airsal.
Like the MHR TEAM 2, the Racing-Xtrem is also equipped with a total of three boost ports. For better sealing of the combustion chamber, the cylinder head has been designed so that it protrudes 1.5mm into the combustion chamber. The familiar two-part exhaust from the T6 has been retained and therefore offers the best conditions for porting.
Depending on the configuration, the cylinder can develop around 21 to 24 hp at the wheel. It is recommended to use it with a carburetor of at least 24 to 28 mm and a racing exhaust suitable for the displacement.
Specifications 88cc Airsal Xtrem cylinder
- 88cc - 50 mm bore for 45 mm stroke
- Aluminum with Nikasil coating
- 7 transfer ports
- Split exhaust to improve performance at high RPM
- 1-ring piston
- HC cylinder head, one-piece
Attention: To use this cylinder, it is essential to use a corresponding crankshaft with 45 mm stroke.
How to Install a cylinder on a scooter, motorcycle or moped
The cylinder or cylinder kit is the heart of the engine on scooters, motorcycles and mopeds. It consists of a cylinder, a piston with piston ring(s), a cylinder head and gaskets needed for installation.
The service life of a cylinder depends on whether it has been fitted correctly.

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.
Aluminium cylinders
Aluminium cylinders are more powerful than cast iron cylinders, but require more regular maintenance and must be combined with different components such as a reinforced crankshaft and a larger carburetor.
How to run in an aluminium cylinder?
Aluminium cylinders should be run in for about 200 kilometers , and you should use a fully synthetic engine oil.
Note: To ensure optimum performance and reliability, it is advisable to measure the squish clearance. Just have a look at our tutorial How to adjust squish clearance.