2004 Yamaha WaveRunner VX110 Sport and VX110 Deluxe Service Manual, Page 92Get this manual
THROTTLE BODY ASSEMBLY AND INTAKE MANIFOLD
Fuel injectors inspection NOTE: Do not remove the throttle body assembly1Check: Fuel injectors Dirtresidue CleanDamage Replace2Measure: Fuel injectors resistance Out of specification ReplaceDigital multimeter: YU-34899-A Digital circuit tester: 90890-03174 Fuel injector resistance: (reference data) 11.512.5 at 20 (68 F)
3Check the operation of the fuel injector using the "Stationary Test" of the Yamaha Diagnostic System