Valve Seat Grinding Dimensions
INTAKE VALVE SEATSSeat width 1.80 - 2.50mm (0.071 - 0.098in)
Seat angle 45° -15'
Top correction angle 15°
Bottom correction angle 60°
Radial runout 0.05mm (0.002in)
EXHAUST VALVE SEATS
Seat width 1.50 - 2.50mm (0.059 - 0.098in)
Seat angle 45° -15'
Top correction angle 15°
Bottom correction angle 60°
Radial runout 0.05mm (0.002in)
VALVE HEAD TO CYLINDER HEAD MATING SURFACE CLEARANCE
Minimum Distance A, With New Valve Seats And New Valves:
Intake Valve 1.2 mm (0.047 in)
Exaust Valve 0.5 mm (0.020 in)
Maximum Distance A, With Reworked Valve Seats and Reground Valves:
Intake Valve 2.1 mm (0.083 in)
Exaust Valve 1.4 mm (0.055 in)