2012 YAMAHA APEX ~ 4-Stroke w/ Power Steering, Fuel Injection & EXUP ~ You Pay NO Setup, Destination or Handling Fees Performance Top Performance 4-cylinder Genesis 4-Stroke engine The physical casting of the engine remains the same, but the valve timing, intake and exhaust tracts, airbox and exhaust pipes are all recalibrated for optimum midrange torque output as well as an overall top end gain. Airbox/intake The intake tracts on the Apex have been lengthened by 11mm, as compared to the previou...