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ENGINE 68 OVERHAUL 3. Starting with number 1 piston, invert piston and with arrow on piston crown pointing towards 4. Using feeler gauges, check clearance between left hand side of piston and cylinder bore = 5. Repeat above procedures for remaining pistons. If piston to cylinder bore clearance for 6. Measure gudgeon pin diameter at each end and centre of pin. 7. Renew gudgeon pin and piston as an assembly if diameter is less than specified or if 8. Check small end bushes for signs of wear or overheating, check that gudgeon pins are a CAUTION: Small end bushes cannot be 9. Using the fingers only, check that a new big-end bearing cap nut runs freely on each CAUTION: Retain nuts with their 10. Check connecting rods for alignment - maximum = 0.127 mm per 25.4 mm of length. |