1987-2009 Yamaha ATV YFM350X Warrior Raptor Service Manual, Page 112Get this manual
Quality of the image is intentionally reduced!
INSPECTION AND REPAIR
Margin thickness: Intake 0.8 -1.2 mm (0.0310.047 in) Exhaust 0.8-1.2 mm (0.031-0.047 in)
6 Measure: -Runout (valve stem) Out of specification- Replace
Runout: L