Valve Seat

Valve seat width - intake 1.3-1.5 mm (0.0512-0.0591 inch)
Valve seat width - exhaust 2.1-1.9 mm (0.0827-0.0748 inch)
Valve seat runout (T.I.R.) 0.025 mm (0.0010 inch)
Valve seat angle 45.50 degrees