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Cylinder Block

  1. Measure cylinder bore taper. If taper exceeds specification, re-bore cylinder for oversize pistons. See CYLINDER BLOCK  table under ENGINE SPECIFICATIONS. If any cylinder bore exceeds oversize bore limit, replace cylinder block.
  2. Cylinders can be bored for 0.010" (0.25 mm) and 0.020" (0.50 mm) oversize. Maximum re-boring is 0.020" (0.50 mm). Check piston-to-cylinder bore clearance after re-boring. See FITTING PISTONS  procedure.
  3. Using feeler gauge and straightedge, measure cylinder block deck warpage. Replace cylinder block if warped beyond service limit. See CYLINDER BLOCK  table under ENGINE SPECIFICATIONS.
  4. If reusing cylinder block, hone cylinders to 60-degree crosshatch pattern. After honing, re-measure cylinder bores. Wash cylinder bore with hot soapy water. Air-dry cylinder bore, and apply engine oil to prevent rusting.
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