Modern PX 150 major flat spot at low revs after 20Km - restricts pulling away and can stall. Also, squeaking rear drum at low-speed braking.PX 150 2012 New 260Km on the clock. Already had an issue with oil pump sticking. Starts the first time. Acceleration good past flat spot. @

Motorcycles - Vespa - ET4 125 - 2011 Vespa PX 150