Overhaul piston (Ducati ST2)

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Clean the crown of the piston and the piston recesses from carbon deposits.

Inspect the dimensions of the piston carefully: there must be no signs of shrinkage, scoring, cracks or damage.

The diameter of the piston (D1) must be measured at 10 mm/0.39 in. from the skirt base, at right angles to the axis of the gudgeon pin.

Note.

• The pistons are marked by a letter which indicates the class they belong to (printed on the crown of the piston).
• The pistons must always be changed in pairs.

Piston-cylinder coupling

Coupling clearance (D-D1): 0.025-0.045 mm / 0.00098-0.00177 in.

Maximum clearance: 0.12 mm/0.00472 in.

Note. The cylinder-piston coupling must only be made with cylinders and pistons belonging to the same class.

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Article about repair motorcycles «Ducati ST series ST2» (1997-2003): «Overhaul piston»: https://motoinstruction.ru/en/Ducati/ST/ST2/engine/repair/112136 <a href="https://motoinstruction.ru/en/Ducati/ST/ST2/engine/repair/112136">Overhaul piston</a> - article about repair motorcycles «Ducati ST series ST2» (1997-2003) from section «Engine repair». [url=https://motoinstruction.ru/en/Ducati/ST/ST2/engine/repair/112136]Overhaul piston[/url] - article about repair motorcycles «Ducati ST series ST2» (1997-2003) from section «Engine repair».