2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 299Get this manual

2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 299

YAMAHA POWER VALVE SYSTEM (Y.P.V.S ADJUSTMENT YAMAHA POWER VALVE SYSTEM (Y.P.V.S PRE-SEASON CHECKS Loosen the bolts 11 INSP
(0.7 mSkg, 5.1 ftSlb) Disconnect the Y.P.V.Sadjustment coupler from the Y.P.V.Scheck couplerS Install the Y.P.V.Scheck coupler
cap YAMAHA POWER VALVE SYSTEM (Y.P.V.S PRE-SEASON CHECKS There may be excessive amounts of carbon on the Y.P.V.Svalve which