Tappet Inspection

TAPPET INSPECTION





1. Measure the tappet hole inner diameter in X and Y directions at the two points (A and B) shown in the figure.
Tappet bore diameter (Standard) 31.000-31.030 mm (1.2205-1.2216 In)





2. Measure the tappet body outer diameter in X and Y directions at the two points (A and B) shown in the figure.
Tappet diameter (Standard) 30.970-30.980 mm (1.2193-1.2196 In)
3. Subtract the tappet body outer diameter from the tappet hole inner diameter. If it exceeds the specification, replace the tappet or cylinder head.
Tappet-to-Tappet bore oil clearance (Standard) 0.02-0.06 mm (0.0008-.0023 in)
Tappet-to-Tappet bore oil clearance (Maximum) 0.15 mm (0.006 in)