What engine does a ninja 250 have? 2008–2012 (EX250-J) Production 2008-2012 Engine 249 cc (15.2 cu in) liquid-cooled 4-stroke 8-valve DOHC parallel-twin Bore / stroke
What is the strongest Diprotic acid? sulfuric acid Protons are lost through several stages (one at each stage), with the first proton being the fastest