Check the valve seating surface [A] between the valve [B] and valve seat [C].
OMeasure the outside diameter [D] of the seating pattern on the valve seat.
![](https://motoinstruction.ru/img/kawasaki/13/118995.jpg)
★ If the outside diameter is too large or too small, repair the seat (see Valve seat repair).
Valve seating surface outside diameter:
Standard:
- Exhaust 26.9-27.1 mm (1.059-1.067 in.)
- Inlet 30.9-31.1 mm (1.216-1.224 in.)
Measure the seat width [E] of the portion where there is no build-up carbon (white portion) of the valve seat with a vernier caliper.
- Good [F]
★ If the width is too wide [G], too narrow [H] or uneven [J], repair the seat (see Valve seat repair).
Valve seating surface width:
- Standard: Inlet, Exhaust 0.5-1.0 mm (0.02-0.04 in.)