BMW Dl 2 Marine engine Installing the cylinder head
Fig. 33 Clean the seating faces on the cylinder and on the cylinder head and examine them for damage. Check the cylinder-head seating face for distortion and the firm seating of the combustion chamber (33/1), exchanging the cylinder head, if necessary. Check th~ valves for leakage and their setback, see “Removing and installing the valves”. Place new cylinder-head gaskets on the cylinder. Fit new 0-rings in the cylinder.
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33 Note:
Fig. 34 When the outer gasket (34/2) is placed on the cylinder, fit the lug (34/1) into the locating hole (34/3) in the cylinder.
34 Fig. 35 Place the lower 0-ring for the protective tube in the recess in the crankcase. Fit the protective tube (35/1) and place the pushrods (35/2,3) on the rocker levers. Note:
Place the pushrod (35/2) with the collar pan (35/4) on the front rocker lever. Move the pushrods round 900 clockwise.
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