MAZZUCCHELLI Racing crankshaft for Vespa PX125/PX150
To achieve higher engine speeds, you should use a racing crankshaft. The extended intake timing allows the engine to rev much more freely. This measure is particularly noticeable with high-speed cylinders.
The quality of the crankshafts is very good and they can withstand even the highest speeds. They are an ideal addition to extend the usable speed range, especially for larger displacement engines.
These engines rev freely, which leads to a significant increase in top speed.
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