Description
Airsal 70cc Aluminium Cylinder Kit Sport Kymco Cobra AC 2-stroke. The cylinder is made of Nikasil-plated aluminium and comes with a one-ring piston. It has 5 transfer ports and a one-piece trapezoid exhaust port. This kit has a lot of torque and is also quite powerful, especially in the mid rpm range.
All necessary parts are included (complete piston + gasket kit).
In combination with a racing exhaust and a 17.5mm carburetor (at least), this kit can reach between 7 and 10hp.
Please note that you'll have to adjust squish clearance when installing aluminium cylinders to get maximum power and reliability.
Cylinder head not included, you can keep the original one.
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: Sport
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.
The products listed under Sport yield better performance than Original parts. They may have technical differences, such as the use of higher quality materials, a larger displacement or a performance-enhancing design. They are suitable for everyday use and have a long service life.
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.
Makes good power and I dont have any issue with it.