2004 Kawasaki KVF750 4x4, Service Manual., Page 150Get this manual
ENGINE TOP END 5-37 Valves
If the seat width is too wide, make the 60 [A] grind described belowIf the seat width is within the specified range, lap the valve to the seat as described belowGrind the seat at 60 angle until the seat width is within the specified rangeTo make the 60 grind, fit 60 cutter into the holder, and slide it into the valve guideTurn the holder, while pressing down lightlyAfter making the 60 grind, return to the seat width measurement step aboveCorrect Width [B]
the valve to the the seat Lap within the rangesseat, onceabovewidth and O.Dare specified