Not approved on road, only reserved with the competition and circuits.
The POLINI kit is a top model 70cc cast iron, one of the best quality / price for minarelli horizontal liquid market. Its 47mm diameter 68,00cc therefore offers real power and torque in the company of the race origin 39,2mm. This cylinder is known for its durability and excellent performance.
There you will agree on road everyday in countries where the legislation allows for the stunt, stamina ... The cylinder is a high melting range, the exhaust port is a normal pattern, admission transfers are present numbering 5 very well worked, canals, transfers are reviewed and corrected!
For the better should align the cylinder to your carters but this is not an obligation. His diagrams are low enough to preserve a lot of torque and can accompany a small standard configuration inverter / pot / 17,5mm carburetor.
You can mount the example with the long TOP PERFORMANCES race to have higher diagrams and a square engine! The cylinder head is a reentrant room, rare on the market, it allows you a better holding your head gaskets but the room is always perfectly centered in the cylinder!
This cylinder head is high quality aluminum to allow for proper cooling, the combustion chamber is tapered, polished finish for maximum performance yet, it allows you to reconnect antifreeze carburetor if desired. So this kit is quite complete, POLINI book with strips of carbon valves racing, thanks to them you can harness the power of good diet. The piston is a banal model reinforced bi segments.
We recommend to mount the cylinder with at least: carburation 17,5mm, reinforced crankshaft, reinforced bearings, exhaust racing, candle B9 or B10 according to your other equipment ...
Installation Instructions
The pack contains:
Studs exhaust
Cylinder head high compression chamber reentrant
5 transfers exhaust normal cylinder cast iron Ø47mm
Bi piston segment d.47mm 10mm axle
D.47mm normal segments
Breech plug
Pack complete joint
Guaranteed
stickers
valves racing
Ø10 piston clips like crab
10mm axle reinforced
Optional we offer a preparation course 1, this preparation is a modification of the exhaust port by increasing the charts and improvement of the duct, it increases the cylinder performance. Improved bottom skirt is also included in the amendment. Allow a little extra time for this preparation!
Itself on:
Engine 2 Time minarelli horizontal liquid scooter
2 motor scooter minarelli horizontal air Time Spent liquid (long only)
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