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Valve Clearance Adjustment

NOTE: Valve clearance is checked and adjusted with engine cold.
  1. Remove camshaft cover. Rotate engine until lobe on camshaft of valve being checked is pointing straight up. Using a feeler gauge, check clearance between camshaft lobe and valve tappet plate.
    Fig 1: Showing Where to Make Valve Clearance Check
    G09334409Courtesy of NOT AVAILABLE
  2. If clearance is not as specified, insert a suitable spring compressor (A.60421) under camshaft to release spring tension against camshaft lobe. Remove tappet plate with a suitable removing tool (A.87001). With plate removed, measure thickness to determine size of plate to be installed.
    VALVE CLEARANCE SPECIFICATIONS

    Application Intake Valve Exhaust Valve
    All 012" (.3mm) .016" (.4mm)
  3. Valve tappet plates are available in various thicknesses: 0.1280 - 0.1850" (3.251 - 4.699 mm) in increments of 0.0019" (0.048 mm). Plate size is shown on face, install this side toward tappet. Use same procedure on both intake and exhaust valves. Recheck clearance and install camshaft cover.
    Fig 2: Using Special Tool to Remove Valve Tappet Plate
    G09334410Courtesy of NOT AVAILABLE
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