SET-UP AND FRIEGHT INCLUDED

•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.

View 3rd Party Dyno Results *COPY AND PASTE LINK BELOW*

http://www.yamaha-motor.com/sport/events/dynamicevent/2/1280/2011_apex_engine_delivers_performance_the_competitionand8217s_2-strokes_canand8217t_match.aspx