2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 52Get this manual

2002-2006 Yamaha SX Viper 700 Series Snowmobile Service Manual, Page 52

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CARBURETOR TUNING
3 Check: Spark plug insulator color medium to light tan color indicates normal conditionsDistinctly different color Replace the main jet4 The main jet should be adjusted on the