2004 Yamaha WaveRunner VX110 Sport and VX110 Deluxe Service Manual, Page 278Get this manual

INDICATION SYSTEM
OIL PRESSURE SWITCH
1Measure: Oil pressure switch continuity Out of specification ReplaceLower unit pressurevacuum tester: YB-35956-A Vacuumpressure pump gauge set: 90890-06756

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives