Description
Top quality tuning by Polini: Cylinder Kit d.44mm with CDI Polini Alu 66cc Yamaha 50cc 4T iGet Euro 4. The top quality 66cc aluminium cylinder comes with matching CDI and cables and a bigger air filter connection pipe.
44mm bore and 43.6mm stroke will give you a displacement of 66cc which is quite a bit more than the original 50cc. More power, better pull and acceleration, , better torque, higher top speed - this cylinder will give you a great boost. Please keep your original cylinder head, it is not part of the kit.
The tuning kit includes a Polini CDI with pre-programmed curve plus cables and a bigger connection pipe for the air filter for increased air flow.
- for Euro 4 engines after 2018
- NO HOMOLOGATION.
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.
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.
