1983: the Ø 68,5 aluminum cylinder was born, turning decisive for the modification of the Vespa.
Made of aluminum Nikasil, with super light piston, semi trapezoidal segments of 1.2 mm, it becomes a myth, a must for all enthusiasts.
2008: the cylinder is updated by adding the cylinder head with hemispherical combustion chamber and central candle.
2013: the cylinder, remaining even aluminum Nikasil, is quite changed in transfers
Today this version MHR offers you the culmination of all his years of study to give the best of knowledge to exploit the performance of your COSA or PX E 200cc 2T.
The exhaust light as well as the transfer diagrams have been reviewed.
The perfect centering between cylinder head and cylinder is guaranteed by 2 centering sleeves placed on two spacers as the spy joint ensures a perfect hold.
Nono segment piston in Ø16mm shaft, available in 3 reaming ribs.
In option we offer a stage 1 preparation, this preparation is a modification of the channels and the 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!
Suitable to be coupled to heavily modified crankcases, with carburettor of Ø 30 and more, with Malossi pot or with relaxation
Mounts on :
VESPA COSA 200 2T
VESPA PX E 200 2T
