Valve Specifications
Type DOHC-4 Valves Per CylinderMaterial Aluminum
Combustion Chamber Volume 51.8 cc
Cylinder Head Flatness Maximum Without Resurfacing 0.05 mm (0.002 in.)
Worn Limit 0.20 mm (0.008 in.)
Valves
Clearance Between Stem and Guide, New Limits
Intake 0.028-0.068 mm (0.001-0.003 in.)
Exhaust 0.05-0.10 mm (0.002-0.004 in.)
Worn Limits, Not Over 0.12 mm (0.005 in.)
Head Diameter, Overall-Intake 33 mm (1.30 in.)
Exhaust 29 mm (1.14 in.)
Valve Face Angle 45 degrees
Valve Seat Angle (In Head) 46 degrees
Valve Seat Width-Intake 0.450-0.650 mm (0.017-0.033 in.)
Valve Seat Width-Exhaust 0.700-1.100 mm (0.027-0.043 in.)
Seat Eccentricity, Not Over (T.I.R) 0.05 mm (0.002 in.)
Valve Face Runout 0.05 mm (0.002 in.)
Stem Diameter 5.9207-5.9411 mm (0.2331-0.2339 in.)
Valve Guide Diameter (in Head) 5.979 mm (0.235 in.)
Valve Length-Intake 105.89 mm (4.169 in.)
Valve Length-Exhaust 90.52 mm (3.564 in.)