1990-2004 Yamaha YFM350X Warrior Factory Service Manual, Page 163Get this manual
Quality of the image is intentionally reduced!
INSPECTION AND REPAIR
Margin thickness: Intake 0.8-1.2 mm (0.031-0.047 in) Exhaust 0.8-1.2 mm (0.031-0.047 in)
6 Measure: -Runout (valve stem) Out of specification Replace
Runout: Le