2007-2010 Kawasaki Ultra 250X/260X/260LX PWC Factory Service Manual, Page 231Get this manual
ENGINE TOP END 6-33 Valves
Valve Seat Repair
Machinist's dye on seat 45 Grind 45 Cutter ToolPurposemake seating area smooth and round
Measure Seating Area .0 Tool: Vernier Caliper Purposecheck seat 0.0against spec
Too small 45 Grind
Results
45 Cutter ToolPurposeincrease 0.0 of seat area to spec
Machinist's dye on seat
32 Grind Tool: 32 Cutter Purposereduce 0.0of seat area to specMeasure Seat Width Tool: Vernier Caliper Purpose: check seat width against spec
Too narrow
Results I