1987-2009 Yamaha ATV YFM350X Warrior Raptor Service Manual, Page 113Get this manual
INSPECTION AND REPAIR
2Measure:Cam lobes length and Out of specification- ReplaceCam lobe length: Intake
40.62-40.72 mm (1.599 -1.603 in) 32.18-32.28 mm (1.267 -1.271 in) 40.62-40.72 mm (1.599 -1.603 in) 32.1832.28 mm (1.267 -1.271 in)