Cylinder Block and Bore

CLEANING
Clean cylinder block thoroughly.

CYLINDER BORE INSPECTION
Examine block for cracks or fractures. Check all core hole plugs for evidence of leaking and replace as necessary.





Fig. 106

The cylinder walls should be checked for out-of-round and taper with Tool C-119 (Fig. 106). If the cylinder walls are badly scuffed or scored, the cylinder block should be replaced.
Measure the cylinder bore at three levels in directions A and B (Fig. 106). Top measurement should be 12 mm (0.50 inch) down and bottom measurement should be 12 mm (0.50 inch) up from bottom of bore. Refer to Engine; Specifications.