
Using a thin screwdriver, pry up and remove the spring clip...

...and disconnect the rod from the throttle drive shaft.
Using a screwdriver, pry up and disconnect the throttle drive rod from the carburetor (see Replacing the carburetor).

Using a screwdriver, pry up and remove the lever's locking spring washer.

We remove the lever from the axle together with the rods.

We remove the carburetor fuel hose from the bracket.

Using a 10 mm spanner, unscrew the eight nuts securing the cylinder head cover...

...and remove the special washers from the studs.

We unclamp the holder and release the brake booster hose and wiring harness.

We remove the cylinder head cover...

...and the lid gasket.

The order of tightening the nuts securing the cylinder head cover of engines 2103, 2106.
After replacing the gasket, install the cover in the reverse order, tightening the bolts in the order shown in the figure.
