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Dismantling and assembling pistons and conrods
Piston and cylinder dimensions
Engine codes ALD and AUC
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Honing
dimension
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Piston-ø
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Cylinder bore-ø
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Basic dimen.
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mm
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67.085
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67.11
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1st undersize
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mm
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67.335
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67.36
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2nd undersize
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mm
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67.585
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67.61
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3rd undersize
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mm
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67.835
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67.86
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1)
The dimension details are for uncoated pistons. Pistons which are coated in area of measurements may, according to time run, be up to 0.030 mm larger in diameter.
Engine codes AKK, AKP and AUD
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Honing
dimension
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Piston-ø
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Cylinder bore-ø
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Basic dimen.
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mm
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76.475
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76.51
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1st undersize
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mm
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76.725
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76.76
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2nd undersize
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mm
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76.975
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77.01
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1)
The dimension details are for uncoated pistons. Pistons which are coated in area of measurements may, according to time run, be up to 0.030 mm larger in diameter.
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