2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 387Get this manual

2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 387

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YAMAHA POWER VALVE SYSTEM (Y.P.V.S INSTALLATION
NOTE: After installing all parts, refer to "CABLE ROUTING", to check the cable, lead and hose routings
1 Install: Y.P.V.Svalve assembly NOTE