2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 417Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 417

FUEL INJECTION SYSTEM OIL PRESSURE SWITCH 1Disconnect: Oil pressure switch coupler 2Connect: Pocket tester (to the switch
coupler) 3Inspect: Oil pressure switch continuity Switch is operatedFaulty Replace the oil pressure switchMain switch position