2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 52Get this manual
GEN INFO
Technical tips
Off-throttle steering (OTS) control
Off-throttle steering (OTS) system operates as follows: 1The engine speed is maintained above 4,000 rmin for few seconds2The APS detects when the throttle lever is completely released3The steering sensor detects on when the handlebar is turned sharply to the right or left and is applied load4The ECM sends signal to the throttle body assembly5The ETV is operated and air is introduced into the intake manifold6The ECM controls the opening of the ETV to provide forward thrust and steering