Description
Polini Corsa 70cc cylinder kit
The "Corsa" is Polini's modified, more powerful version of their 70cc sport cylinder, here for Yamaha BW's / MBK Booster or other 50cc scooters with Minarelli vertical engine.
Technical data Polini Corsa:
- Cast iron cylinder, bore = 47mm, with 5 transfer ports and single, oval outlet
- 2-ring piston, 12mm piston pin
- High-compression cylinder head, aluminum
- Gasket set
- 2x carbon reed petals 0.30mm for original reed valve
Performance Polini Corsa 70:
Slightly longer port timings, larger port cross-sections and higher compression significantly increase the performance of this cast iron cylinder. The "Corsa" delivers an outstanding performance, especially at high rpms, and is very durable on top of that.
With the right configurationn (carburetor with at least 17.5 mm diameter, reinforced crankshaft and racing exhaust), the Corsa can deliver 10 to 11 hp.
The Polini Corsa is not approved for road use.
ATTENTION: For this model with 12mm pin you need a crankshaft with a connecting rod with 12mm small end bearing.
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 70 Minarelli vertical 12mm piston pin | |
|---|---|
| Article no. | P166.0074/12R |
| EAN | 8054705122682 |
| Weight | 2,11 kg |
| Series | Corsa |
| Brand | Polini |
| Product type | Cylinder kit |
| Tuning level | Racing |
| Displacement | 70cc |
| Homologation | No |
| Piston pin | 12 mm |
| Cylinder material | Cast Iron |
| Bore | 47 mm |
| Stroke | Original |
| Conrod length | Standard |
| Spark plug thread | M14 short |
Spare Parts
- Polini
Piston Ring Polini cast iron Big Bore Yamaha BW's / Slider (1x)12,50 €Ready for dispatch shortly - Polini
Piston Ring Polini chrome Big Bore Piaggio / Peugeot / Minarelli (1x)23,00 €Ready for dispatch shortly - Polini
Piston Ring (oversize) Polini 47,4x1mm 70cc Sport / Corsa Minarelli vertical13,50 €Ready for dispatch shortly - Polini
Cylinder Gasket Set Polini 70cc Yamaha BW's / Slider11,00 €In stock12,00 €-8% DiscountSale - Polini
Reed Petals Polini fiber 0,35mm MBK Booster5,90 €In stock - Polini
Cylinder Circlip Polini d=12mm (1x)1,70 €In stock - Polini
Cylinder Circlip Piston Pin Polini=10mm (1x)1,40 €In stock - Polini
Small End Bearing Polini 10x14x13mm11,00 €Ready for dispatch shortly