2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 407Get this manual

2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 407

YAMAHA POWER VALVE SYSTEM (Y.P.V.S TROUBLESHOOTING SERVOMOTOR DOES NOT MOVE Check the main switchOK NO CONTINUITY Replace
couplerOK OUT OF SPECIFICATION Correct connection andor replace the DC regulatorReplace the condenser Check the condenserOK
OUT OF SPECIFICATION Check the stator coilCORRECT INCORRECT Correct connection andor replace CDI unit andor rectifierregulatorReplace