2003 Kawasaki KLF250 Service Manual., Page 85Get this manual
4-26 ENGINE TOP END Valves, Guides, Seats, Springs, Oil Seals
Valve Seat Inspection
Remove the valve (see Valve Removal)valve [A] Check thethe seatseat widththe portion where there is no width of Measure
Valve Seat Surface Width Exhaust: 0.5 1.0 mm (0.02 0.04 in Inlet: 0.5 1.0 mm (0.02 0.04 in
build-up carbon (white portion) of the valve seat with vernier calipers