Honda Workshop Service and Repair Manuals

Valve: Specifications

Valves 

Stem O.D. 

Intake 

Standard or New ....................................................................................................................................  5.485 - 5.495 mm (0.2159 - 0.2163 inch)
Limit ................................................................................................................................................................................  5.455 mm (0.2148 inch)

Exhaust 

Standard or New ....................................................................................................................................  5.450 - 5.460 mm (0.2146 - 0.2150 inch)
Limit ................................................................................................................................................................................  5.420 mm (0.2134 inch)

Stem-to-guide clearance 

Intake 

Standard or New ....................................................................................................................................  0.020 - 0.045 mm (0.0008 - 0.0018 inch)
Limit ....................................................................................................................................................................................  0.08 mm (0.003 inch)

Exhaust 

Standard or New ....................................................................................................................................  0.055 - 0.080 mm (0.0022 - 0.0031 inch)
Limit ....................................................................................................................................................................................  0.12 mm (0.005 inch)