Cylinder Block
Inspect cylinder block for cracks or damage. Measure warpage at deck surface. Surface cylinder block if warpage exceeds .002" (.05 mm). Cylinder bore size marks are stamped on front upper surface of block. See Fig 1. Measure cylinder bore diameter 0.39" (10 mm), 1.77" (45 mm), 3.15" (81 mm) and 4.53" (116 mm) from deck surface. See CYLINDER BLOCK under ENGINE SPECIFICATIONS. Rebore cylinder if diameter, taper or out-of-round exceeds service limit.