2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 313Get this manual

2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 313

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CARBURETOR TUNING Main jet selection chart Spark plug color Light tan or gray Dry black or fluffy deposits White or light gray White or gray insulator with small black or grayish brown spots and elect