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Cylinder/piston assemblies
Note
The piston rings must always be installed with markings facing upwards.
Gudgeon pin-piston clearance
Measure the diameter of the gudgeon pin bore in the piston.
Measure the diameter of the gudgeon pin
Maximum wear limit: 0.025 mm.
Note
If you fit a new gudgeon pin, you must also change the connecting rod small end bush.
Piston ring-to-bore clearance
It is essential that the measurement be performed with the piston ring (A) positioned perfectly square in the cylinder. For
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