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ENGINE BLOCK EMA -27 7. Check the piston size code(A) on the piston top face. A KCBF176D Class Size code Piston outer diameter A A 86.67 ~ 86.68mm (3.4122 ~ 3.4126in.) B - 86.68 ~ 86.69mm (3.4126 ~ 3.4130in.) C C 86.69 ~ 86.70mm (3.4130 ~ 3.4134in.) 8. Select the proper piston related to the cylinder bore Clearance : 0.02 ~ 0.04mm(0.0008 ~ 0.0016in.) CYLINDER BORING 1. The over size piston is chosen on the maximum inner NOTE The piston size mark is on the top surface of the pis- 2. Measure the outer diameter of the piston which is in- 3. Calculate the new bore size with the measurement in New bore size = measured outer diameter of piston 4. Bore the cylinder to the calculated size. CAUTION Bore the cylinders in firing order to prevent the 5. Stop boring and start horning for the proper clear- 6. Measure the clearance between a piston and a cylin- Specification NOTE Bore all the cylinders with the same over size. |