Kit 70cc Ø47mm POLINI Sport two-segment cast iron PIAGGIO / GILERA Air (Typhoon, NRG ...)

Attention, high engine reserved for the competition. Does not respect the regulatory displacement of 50cc governed by legislation in some countries.

The Italian brand POLINI once again proves with this high engine, the quality of its parts and the real performance gains. This 70cc Ø47mm cast iron kit is no exception to the rule. It is the perfect balance between performance and strength. Its cast iron cylinder will offer all the necessary strength with worked and improved heat exchange surfaces.



It has 5 intake transfers, 4 lateral and 1 at the rear with a standard oval exhaust designed for maximum engine efficiency. The architecture and work on this cylinder is precise and overall very well finished.



A two-segment piston manufactured at ASSO (top of the range) accompanies this high engine, specially designed to give torque at low speeds and maintain a reliable and resistant engine even at high speeds. This piston is made of a special lightened and reinforced aluminum alloy. The latter is equipped with two standard segments with pin and reinforced piston clips type crab.



The cylinder is supplied with its cylinder head, equipped with a high compression hemispherical combustion chamber with a polished finish. For more compression and reliability, it is mounted with a Viton O-ring.



Clearly you will understand, this high engine is a real concentrate of Italian performance thanks to the experience in the preparation of engines for competition from POLINI. Everything has been worked on and improved, whether in the transfer ducts, the exhaust or the combustion chamber of the cylinder head. An excellent quality / price / performance ratio, delivered 100% complete as presented.



We recommend to accompany this high engine with at least : a 21mm carburetion in flexible assembly, carbon slats delivered with this kit, racing horn or preparation of the original airbox, racing exhaust, unbridled or competition ignition, crankshaft and bearings reinforced, racing spark plug, 100% synthetic racing engine oil ....



This pack contains:

-Cylinder Ø47mm racing cast iron normal exhaust
-Culasse Ø47mm high compression chamber polished finish
-Piston reinforced bi segment Ø47mm from ASSO
-X2 standard segments
-X2 Crab type piston clips (pin rings)
-Reinforced piston axis Ø12mm X 37mm in length
-X2 exhaust studs
-Carbon blades
-Complete engine gaskets pack
-Notice & Guarantee
-Sticker

As an option we offer you a stage 1 preparation, this preparation is a modification of the channels and the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement to the piston and the bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!

For Piaggio scooter engine GILERA ... air cooling:

 

APRILIA Mojito 50 2T 04-08,

APRILIA Scarabeo 2T EU2 Piaggio 50 2T 10-12 engine

APRILIA Scarabeo 2T Net 50 2T 09-10

APRILIA Scarabeo Street 50 2T 05-06

APRILIA Scarabeo Street 2T Restyling 50 2T 06-09

APRILIA Sport City One 2T 50 2T 08-11

 

DERBI Atlantis 2T 50 2T 10-10

DERBI Atlantis 2T EU2 50 2T 07-09

DERBI Atlantis O2 50 2T 02-02

DERBI Atlantis O2 Bullet 50 2T 03-05

DERBI Atlantis O2 City 50 2T 03-06

DERBI Atlantis O2 Red Bullet 50 2T 03-03

DERBI Atlantis O2 Two Chic 50 2T 05-05

DERBI Boulevard 50 2T 09-12

DERBI Sonar 2T 50 2T 09-09

 

GILERA Easy Moving 50 2S 95-96

GILERA Ice 50 2T 01-05

GILERA Stalker 50 2T97-11

GILERA Stalker Naked 50 2T 08-08

GILERA Stalker Special Edition 50 2T 07-08

GILERA Storm 50 2T 94-95

GILERA Storm Euro 2 50 2T 07-07

GILERA Typhoon 50 2T 94-97

GILERA Typhoon X 50 2T 98-99

GILERA Typhoon XR 50 2T 00-00

 

ITALJET Jet Set 50 2T -00

ITALJET New Torpedo 50 2T -00

 

PIAGGIO Diesis 50 2T 01-01

PIAGGIO Fly 2T 50 2T 05-07

PIAGGIO Fly 2T 50 2T 10-11

PIAGGIO Free 50 2T 92-94

PIAGGIO Free Delivery 50 2T 00-01

PIAGGIO FreeFL 50 2T 95-02

PIAGGIO Liberty 50 2T 97-05

PIAGGIO Liberty 2T 50 2T06-08

PIAGGIO Liberty 2T PTT EU2 50 2T 04-05

PIAGGIO Liberty 2T RST50 2T 04-04

PIAGGIO Liberty 2T Sport 50 2T 06-08

PIAGGIO Liberty MOC2T & Elle 50 2T 09-12

PIAGGIO NRG Power DT 50 2T 06-11

PIAGGIO NRG Power DT Serie Speciale 50 2T 07-08

PIAGGIO Sfera 50 2T 91-93

PIAGGIO Sfera Make-up 2 50 2T 94-94

PIAGGIO Sfera RST 50 2T 95-97

PIAGGIO Typhoon 50 2T 01-09

PIAGGIO Typhoon 2T E2 50 2T 10-12

PIAGGIO Typhoon 2T E3 CH 50 2T 11-11

PIAGGIO Vespa ET2 50 2T 97-05

PIAGGIO Vespa ET2 iniezione 50 2T 97-00

PIAGGIO Vespa LX 2T 50 2T 05-08

PIAGGIO Vespa LX 2T FL 50 2T 09-10

PIAGGIO Vespa LX 2T Touring 50 2T 10-11

PIAGGIO Vespa LXV 2T 50 2T 06-08

PIAGGIO Vespa LXV 2T NAVY 50 2T 08-08

PIAGGIO Vespa S 2T & College 50 2T 07-12

PIAGGIO Zip 50 2T92-93

PIAGGIO Zip 50 2T 95-96

PIAGGIO Zip Bimodal 50 2T 94-97

PIAGGIO Zip Fast Rider 50 2T 93-94

PIAGGIO Zip Fast Rider RST 50 2T 96-97

Piaggio Zip 50 2T RST 96-99

 

And many other models ...

 

* Mounts on mini motocross, minicross, mini POLINI biker such as PANTERA, X1, X3, X5, XP3, XP5, XP1 ...