Description
70cc sport cylinder Polini for Minarelli horizontal AC
Polini SPORT 70cc cylinder kit, horizontal Minarelli AC (MBK Ovetto / Yamaha Neo's / Yamaha Jog and other 50cc scooters), the cast iron version of the aluminum cylinder from Polini. One of the most popular entry-level tuning cylinders on the market.
Performance Polini 70cc cast iron cylinder
The Sport is a high-torque, durable cast iron cylinder with 2-ring pistons for everyday use, with good pull and acceleration, especially in the lower and medium RPM range. In terms of performance, it delivers around 9 hp with the appropriate configuration (17.5 mm carburetor and sports exhaust). The cylinder can be used with the original carburetor.
ATTENTION: You should fit a larger main jet (approx. 8-10% larger than the standard jet) and the cylinder head is designed for a spark plug with a long thread! Also note that you need a connecting rod with a 12 mm small end bearing.
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.