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Polini Cylinder Kit "Sport" 50cc cast iron Yamaha BW's / Slider

Polini Item no.: P166.0092

Polini Cylinder Kit "Sport" 50cc cast iron Yamaha BW's / Slider

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Data Sheet
Suitable for (32)


Straight out of Italy, available @ Maxiscoot - Polini 50cc Cast Iron Cylinder Kit Sport MBK Booster / Stunt (Minarelli vertical).

The kit includes:
- 50cc Cast Iron Cylinder, with 5 transfer ports and simple, oval exhaust port
- Two-Ring Piston, d=40mm, 10mm pin
- High Compression Cylinder Head
- Gasket Set for mounting

This cylinder kit is intended for everyday road use and is accordingly very wear resistant. With the right configuration (17.5mm carburetor and sports exhaust), this street-legal 50cc kit can reach between 5 and 6hp. The increase in power will mostly be noticeable in the mid and high rpm range and higher top speed.

Perfect choice for pilots who are looking for improved performance for their 50cc scooter without losing reliability.

Data Sheet

Name Polini Cylinder Kit "Sport" 50cc cast iron Yamaha BW's / Slider
Item No. P166.0092
Brand Polini
Homologation Yes
Displacement 50cc
Stroke Original
Conrod Length Standard
Product Line Sport
Material Cast Iron
Engine Type 2-stroke
Cooling Type AC
Bore 40 mm
Piston Pin Original
Number of Piston Rings 2
Cylinder Head Included

Your product goes with the following manufacturers and their models:

Adly (Her Chee)

Rapido 50cc


Amico 50cc AC (1991 - 1992)

Amico 50cc ac (after 1993)

Amico GL 50cc AC

Amico Sport 50cc AC

SR 50cc AC (before 1994) - Minarelli vertical


Pista 2 50cc AC

Pista 50cc AC

Scoop 50cc


Booster 50cc AC (1992 - 1999)

Booster 50cc AC (after 2004)

Booster Next 50cc AC (after 1999)

Booster Next 50cc AC (before 1999)

Booster One 50cc until 2013

Booster Rocket 50cc AC

Booster Spirit 50cc AC (before 2004)

Booster Track 50cc AC

Stunt 50cc AC

Stunt 50cc AC CAT (after 2004)

Stunt Naked 50cc AC


BW's 50cc AC

BW's 50cc AC (after 2004)

BW's Bump 50cc AC

BW's Easy 50cc 2013

BW's NG 50cc AC (after 1999)

BW's NG 50cc AC (before 1999)

Slider 50cc AC (before 2004)

Slider 50cc AC CAT (after 2004)

Spy 50cc AC

Target 50cc

Zuma 50cc AC

Zuma II 50cc AC

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