1. Remove the valves. Measure the valve in these areas.
   Intake Valve Dimensions
   A Standard (New): | 34.85−35.15 mm (1.372−1.384 in.)
   B Standard (New): | 108.7−109.5 mm (4.280−4.311 in.)
   C Standard (New): | 5.475−5.485 mm (0.2156−0.2159 in.)
   C Service Limit: | 5.445 mm (0.214 in.)
   Exhaust Valve Dimensions
   A Standard (New): | 29.85−30.15 mm (1.175−1.187 in.)
   B Standard (New): | 108.3−109.1 mm (4.264−4.295 in.)
   C Standard (New): | 5.450−5.460 mm (0.2146−0.2150 in.)
   C Service Limit: | 5.42 mm (0.213 in.)