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ENGINE MECHANICAL 6A – 17 REASSEMBLY 9. Tappet 1) Apply a coat of engine oil to the tappet and the 2) Locate the position mark applied at disassembly (if NOTE: The tappet must be installed before the camshaft. TAPPET Visually inspect the tappet camshaft contact surfaces for Normal contact 2 Cracking 3 Pitting 4 Irregular contact 5 Irregular contact NOTE: The tappet surfaces are spherical. Do not attempt to Tappet Outside Diameter 1. Measure the tappet outside diameter with a microme- 2. Measure the inside diameter tappet on the cylinder Standard Limit mm(in) 12.97 – 12.99 (0.5106 – 0.5114) 12.95 (0.5098) Tappet Outside Diameter Standard Limit mm(in) 0.03 (0.0012) 0.10 (0.0039) Clearance Between Tappet and Cylinder Body |