1987-2009 Yamaha ATV YFM350X Warrior Raptor Service Manual, Page 140Get this manual
ENGINE ASSEMBLY AND ADJUSTMENT NOTE:
-Be sure the cushion springs is installed under the 3rd and 5th friction plates (narrow one (2)) from the clutch boss side
-Align the pressure plate arrow mark the clutch boss arrow mark (2)
-Align the friction plate mark clutch housing marks (2)