16 ENGINE 186
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– Mount dowels 3 and cylinder base gasket 4.
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– Thread the timing chain through the chain shaft. Mount piston pin 5.
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– Cover the engine case opening with a cloth.
– Position piston pin retainer 6.
– Insert the special tool and firmly press it toward the piston.
Insertion for piston ring lock (90129030000) ( p. 258)
– Turn the special tool clockwise, thereby pressing the piston pin retainer into the
groove.
– Make sure that the piston pin retainer is seated correctly on both sides.
– Remove the cloth.
– Keep the timing chain tensioned. Push the cylinder down carefully and let the dow-
els engage.
16.5.57 Installing the cylinder head (200 Duke)
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– Position timing chain guide rail 1.
Pins A engage in recess B.
The timing chain guide rail engages in recess C.