POLINI Evolution Vespa PX Ignition Kit (Electric Start Model)POLINI Evolution Vespa PX Ignition Kit (Electric Start Model) POLINI's electronic ignitions enhance their product offerings by providing pre programmed curves for superior torque at low revs and cooler ignition at high revs. With 4 different curves, this digital ignition system ensures maximum performance in the 7,500 12,000 rev range. The lightweight flywheel also improves crankshaft rotation, providing a boost in thrust and impetus in lower revs.