Engine self destruct 2

Here is the other pic of the primary set???


yes, it can happen in tuned engine,
it depends haw you drive, power, power curve and other things.

You know these parts are made for standard engines that has at the max about 10hp for the PX 200, and rev about at 6000rpm. You have more than double power and high rev, so…
It is easy to find these kind of destruction with vespa engine modified with bikes liquid cooled barrels.