Not approved on public roads, reserved for competition.
This brand new cylinder studied for the Faro Basso Lamellare competition , is designed for a PLUG AND PLAY assembly for the Wheezy vintage largeframes models.
It is exactly 166cc for a 57mm crankshaft stroke, with its bore diameter of Ø60mm, its 5 transfers, a direct entry with valve box and intake pipe.
This cylinder kit is compatible with all Vespa wideframe models with an original capacity of 125cc or 150cc. The 125cc engine with a stroke of only 54mm, will require conversion of the crankshaft to provide the necessary 57mm stroke used by this cylinder kit.
Due to the increase in power that this engine develops, we advise you to check that your crankshaft will hold the shock, and to replace it with a reinforced model if you can.
Optionally we offer you a stage 1 preparation, this preparation is a modification of the channels and the exhaust light by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement in the piston and bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!
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