Direct-aspirated tuning cylinder from Italian tuning guru Max Quattrini for the Vespa largeframe engines.
To anticipate: The most powerful kit for the PX 125/150 engines.
As befits this performance class, you will find a nicasil coated aluminium cylinder. Thanks to the 62 mm bore, you can get 172 cc with just 57 mm stroke.
M1XL is supplied with mixture directly from the cylinder, just like the legendary TS1. The diaphragm box is screwed directly onto the cylinder, the housing inlet is closed. Six generously dimensioned overflowers and a large outlet form the basic layout of the cylinder.
The stable piston is equipped with two thin piston rings.
With the right peripherals, 24 hp is possible at a wide speed range.
The large four-valve diaphragm and the matching intake manifold are included in the scope of delivery.
B>FAZIT:Just click on the portmap and enjoy!
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