2003 Kawasaki KLF250 Service Manual., Page 81Get this manual
4-22 ENGINE TOP END Cylinder Head
Cylinder Head Cleaning
head (see Cylinder Head Remove the cylinder(see Valve Removal)Removal)Remove the valves Wash the head with high-flash point solvent Scrape the carbon out of the combustion chamber and exhaust port with suitable tool Install the valves (see Valve Installation)
Cylinder Head Warp