Description
Polini Corsa 70cc cylinder kit
Based on the Polini Sport cylinder and redesigned by Polini, this kit is one of the best kits available for Yamaha BW's / Slider (Minarelli vertical).
Technical data Polini Corsa:
- Corsa cast iron cylinder, bore = 47mm, with 5 transfer ports and oval exhaust
- 2-ring piston, 10mm piston pin
- High-compression cylinder head, aluminum
- Gasket set
- 2x carbon reed plates 0.36mm for original reed valve
Performance Polini Corsa 70:
Slightly longer timing, larger port cross-sections and higher compression increase the power of this cast iron cylinder to approx. 11 hp. The cast iron cylinder not only delivers high performance, especially at high engine speeds, but is also very durable and reliable.
With the right configuration (carburetor with at least 17.5 mm diameter, reinforced crankshaft and racing exhaust), the Corsa can produce 10 to 11 hp.
The Polini Corsa is not approved for road use.
Polini Corsa
With the Corsa cylinder series from Polini, the name says it all, because Corsa means racing. The Corsa is a cast iron racing cylinder for 50cc scooters, known for its excellent ratio of reliability and performance. The Corsa has been around for a very long time and still has many friends and fans.
Advantages of the Polini Corsa
- Cast iron cylinder - easy installation, no squish adjustment
- Durable 2-ring piston for everyday use
- High performance
- Carbon reed petals included
- HC cylinder head
To make full use of the Corsa's performance, it should be combined with a racing exhaust and a well-adjusted carburetor with a large diameter. Readjusting the CVT is also recommended.
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: 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.
Racing products are designed for a more extreme uses and are developed primarily for racing. Whether you stay at 50cc or increase the displacement, the corresponding Racing parts produce much higher performance than the original parts in order to achieve maximum power.
Cylinder Polini Corsa 70cc cast iron Yamaha BW's / Slider | |
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Article no. | P166.0074/R |
EAN | 8054705040085 |
Weight | 2,19 kg |
Series | Corsa |
Brand | Polini |
Product type | Cylinder kit |
Tuning level | Racing |
Displacement | 70cc |
Homologation | No |
Piston pin | 10 mm |
Cylinder material | Cast Iron |
Bore | 47,6 mm |
Stroke | Original |
Conrod length | Standard |
Spark plug thread | M14 short |