2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 408Get this manual

2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 408

YAMAHA POWER VALVE SYSTEM (Y.P.V.S SERVOMOTOR SXV70 1Remove: Front panel (right)2Disconnect the Y.P.V.Scheck coupler cap
coupler and apply battery voltage (12 V) to the Y.P.V.Sadjustment coupler leadY.P.V.S(+) test leadBattery (+) terminal Y.P.V.S()
test leadBattery () terminal Turn the main switch to "ON"Y.P.V.Sadjustment couplerYS-43092-1 SXV70ER Turn the main switch