2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 351Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 351

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SIGNAL SYSTEM SPEED SENSOR

Inspection steps: Connect the pocket tester (DC 20 V) to the speed sensor coupler (wire harness side) as shownPositive tester probe White Negative tester probe