2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 307Get this manual
Control system
E 5Operate the throttle lever 1, and then check the TPS output voltage and throttle valve opening angle at the fully open position NOTE: The actual TPS output voltage and throttle valve opening angle may vary according to environmental conditions and engine temperatureTPS output voltage with throttle lever fully open: 4.64.7 Throttle valve opening angle with throttle lever fully open: more than 70 6Operate the throttle lever so that the TPS output voltage is at 4.5 or less, and then check the voltage difference between TPS and TPS 2TPS output voltage difference: 1.92.1 Example: If the TPS output voltage is 2.5 and the TPS output voltage is 4.5 V, then 4.5 2.52.0 V