Acura (Honda) Workshop Service and Repair Manuals

Valve: Specifications

Valves 

Clearance (cold) 

Intake ..................................................................................................................................................................  0.20 - 0.24 mm (0.008 - 0.009 inch) 
Exhaust ................................................................................................................................................................  0.28 - 0.32 mm (0.011 - 0.013 inch)

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)