Kawasaki Ninja EX250 Stock Compared to Supersport Built Engine (Area “P” Exhaust)

2008/2012 Stock Kawasaki Ninja EX250 with Leo Vince Exhaust Compared to Spears Racing Built Supersport/Production Race engine

2008/2012 Stock Kawasaki Ninja EX250 with Leo Vince Exhaust Compared to Spears Racing Built Supersport/Production Race engine, Using all Stock OEM parts, Supersport Style valve job, Machined surfaces to tighten up the Squish, Degreed stock camshafts, Area “P” Race Exhaust Stock air box with snorkel, SP05-250 Jet Kit, All on Pump Gas 91 octane

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