2004 Kawasaki KVF750 4x4, Service Manual., Page 149Get this manual
5-36 ENGINE TOP END Valves
Widened Width [A] of engagement by machining with 45 cutter Ground Volume [B] by 32 cutter 32 [C] Correct Width [D] Ground Volume [E] by 60 cutter 60 [F]
Measure the outside diameter of the seating surface with vernier calipersIf the outside diameter of the seating surface is too small, repeat the 45 grind [A] until the diameter is within the specified rangeOriginal Seating Surface [B]