Boxster S (987) F6-3.4L (2008)
Position of bearing sleeve for inlet camshaft
6. Insert outlet camshaft 1 - 3. Lay the timing chain on the flange for the sprocket, then insert the camshaft at overlapping TDC of cylinder 1 (the
cams of cylinder 1 point diagonally downwards towards the outside of the cylinder head).
Outlet camshaft 1-3 in overlap
7. Insert outlet camshaft sprocket into the timing chain and position on camshaft flange. The four threaded bores in the camshaft flange must be fully
visible on the left at the slotted curves of the sprocket (-arrows-) so that the Torx screws M6 x 12 can still be positioned to fasten the sprocket.
Outlet sprocket 1 - 3 at 60° before TDC