Removing
1. Remove the air cleaner cross tube by loosening the sleeve clamps.
2. Remove the engine ventilation hose (22) from the cylinder head housing after loosening the hose clamp.
3. Detach cover spring clip (16) on the side and remove the cover upwards. Loosen the bolts (3) and remove the cover (17).
4. Remove all spark plug connectors (2), better with special forceps.
5. Disconnect the lambda probe wire clamp from the side and remove it.
6. Loosen the bolts (1) cylinder head housing.
Attention! The bolts come in different lengths, so note their positions for reassembly.
7. Remove the cylinder head housing (18) with sealing gasket (20).
Installation
1. Check the integrity of the sealing gasket, replace if necessary. When installing the gasket, especially pay attention to the correct fit in the rear recesses.
2. Tighten the bolts in the cylinder head housing evenly to 10 Nm.
3. Secure the lambda probe wire with a spring clip.
4. Install the spark plug plugs in the correct sequence.
5. Screw in and secure with cover spring clips.
6. Put on the engine ventilation hose and secure with hose clamps.
7. Install the air filter cross tube.
8. Bring the engine to operating temperature and check the tightness of the cylinder head cover, especially in the rear recesses and in the spark plug sockets.