Kit 70cc Ø47mm POLINI Sport cast scooter HONDA DIO, KYMCO CX, DJ, BSV, SYM ...

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

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



It is machined with 5 intake transfers, 4 side and 1 rear with a standard oval exhaust designed for maximum engine performance. The architecture and work on this cylinder is accurate and very well finished overall.



A POLINI bi-segment piston (high-end model) 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 special aluminum alloy lightened and reinforced without side grease and an opening on the rear skirt to improve the sweep / filling, it also has a cap (piston head) curved and low to be closer to the cylinder head and offer maximum compression, with two standard segments with crab-reinforced pin and piston clips.



In addition, this set comes with a quality aluminum cylinder head with a high compression combustion chamber, hemispherical shape with a polished finish. For more compression, it has a joint plan and a specific numerical planning to match its low crown cap piston thus offering high mechanical reliability and additional performance.



Clearly, this high engine is a concentrate of Made In Italy performance thanks to the experience in the preparation of engines for competition at POLINI. Everything has been worked and improved, whether in the transfer ducts, the exhaust or the combustion chamber of the cylinder head. Excellent value for money / performance, delivered 100% complete as presented.



We recommend to accompany this high engine with at least: a carburetion 19mm in flexible assembly with the nozzle provided with the kit, cornet (air filter) racing or preparation of the original air box, racing exhaust, unbridled ignition or competition, crankshaft and reinforced bearings, cold racing candle, 100% synthetic racing engine oil ....

This pack contains:

-Cylinder Ø47mm racing black cast iron with normal exhaust
-Culasse aluminum Ø47mm high compression chamber polished finish
-Piston reinforced bi segment Ø47mm
-X2 standard segments
-X2 clips (rods of axis) of piston type crab
-Piston piston reinforced Ø12mm X 37mm length
-X2 Ø6mm exhaust studs

- Main jet of 88
-Pack complete engine gaskets
-Notice & Warranty
-Autocollant

Optionally we offer a stage 1 preparation, this preparation is a modification of the channels and exhaust light by increasing the diagrams and improving the pipe, it increases the performance of the cylinder. An improvement of the piston and skirt stocking is also included in this modification. Allow a little extra time for this preparation!



Mounts on:

BS VILLA DIO ZX 50

BSV DIO GP 50
BSV DIO SP50BSV SR 50

HONDA G / GP 50
HONDA DIO SP 50
HONDA DIO ZX 50
HONDA DIO SR 50
HONDA SHADOW SRX 50
HONDA SRX 50

KYMCO CX 50 (1993 / -)
KYMCO SUPER CX 50 (1994/1997)
KYMCO DJ 50 W (1994/2000)
KYMCO DJ 50 X (1991/1992)
KYMCO DJ 50 Y (1993 / -)
KYMCO FEVER ZX 50 (1999/2000)
KYMCO FEVER ZX euro 2 50 (2003/2004)
KYMCO K12 50 (1995/2000)
KYMCO KB 50 (1995/2000)

SYM DD 50 (2002 / -)
SYM DD euro 2 50 (2003/2007)

And many other models ...