Boxster S (987) F6-3.4L (2008)
Installation position of circlip
8. Repeat steps for pistons/connecting rods on cylinders 2 and 3.
Piston markings
Piston markings
Markings on piston crown: Replacement pistons are available from Porsche Parts Service only in dimensional group X and in two weight groups + and
-. The weight groups are listed in the table.
Piston markings
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Marking X appears as a large colored stamp in the middle of the piston crown, small as an engraved feature -1-.
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Marking + or - appears as a large colored stamp in the middle of the piston crown, small as an engraved feature -2-.
Installing pistons
Installing pistons
Caution
Risk of damage due to particles of dirt.
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Danger of material damage due to blocked oil bores/oil ducts.
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Absolute cleanliness is essential when working on the engine.
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Lay removed engine parts on a clean base and make sure to cover them.