Even with all this responsive ability, an air silencer box and surge tank minimize air intake noise and air turbulence for smooth, silent Procedure. Maximizes electric power and effectiveness by spraying gas at significant pressure directly into the combustion chamber. $430 Dealer Engine Prep - Our manufacturing facility competent specialists https://yamahaoutboardmotorsusa38946.wikicommunication.com/4807184/how_yamaha_outboard_engines_for_sale_can_save_you_time_stress_and_money