The largest parade of motorcycles with sidecars is 681 and was achieved by Ropali Motorcycles, History, Honda, the City of Cauayan and the province of Isabela in the City of Cauayan (Philippines) on 8 April 2015
685 motorcycles participated, but four riders were forced to withdraw from the parade, citing engine and tyre problems
Source:
http://www.guinnessworldrecords.com/world-records/largest-parade-of-motorcycles-with-sidecars?fb_action_ids=10152656485166568&fb_action_types=og.comments
Video Credits to : News Beat Social and ABS-CBN Bandila