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Valve Inspection: Inspection

  1. Valve - Remove
  2. Valve - Inspect
    GHH454846Courtesy of HONDA, U.S.A., INC.
    1. Measure the valve in these areas.
    NOTE: The letter (D or S) is stamped on the exhaust valve head (E).

    Intake Valve Dimensions 

    Exhaust Valve Dimensions 

    A Standard (New):  113.90-114.50 mm (4.4842-4.5079 in) 
    B Standard (New):   
    D:  29.85-30.15 mm (1.1752-1.1870 in) 
    S:  29.9-30.1 mm (1.177-1.185 in) 
    C Standard (New):  5.450-5.460 mm (0.21457-0.21496 in) 
    C Service Limit:  5.450 mm (0.21457 in) 
    A Standard (New):  116.55-117.15 mm (4.5886-4.6122 in) 
    B Standard (New):  35.9-36.1 mm (1.413-1.421 in) 
    C Standard (New):  5.485-5.495 mm (0.21594-0.21634 in) 
    C Service Limit:  5.485 mm (0.21594 in) 
  3. All Removed Parts - Install
    1. Install the parts in the reverse order of removal.