Gilera Nordwest, Workshop Manual

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REMOVAL AND CHECKING OF CARBURETTORS
Remove the fairing, the saddle, the fuel tank and the side covers by
untightening the relevant screws.
Loosen the intake manifolds clamp to the cylinder head and to intake manifold
sleeve from filter box.
In order to pull out the carburettor from cylinder head intake sleeves, remove
the carburettor carefully.
Never force between the intake sleeves and carburettor.
Remove the carburettor by pulling it out sideways.
Remove the float chamber (A) by untightening the fixing screws (B).
Check that each float (C) is not damaged.
Check that each needle valve housing (D) is not worn or damaged.
Remove and clean, by means of compressed air, all the jets.
Place all jets on the carburettor.
Fit the float chambers.
Fit the carburettor and the intake sleeves as well as the air filter box clamps.
Fit the fuel tank.
Fit the side covers and the saddle.
Check the choke, the idle RPM and the mixing screw opening.
Warning
In order to clean the jets as well as the carefully gauged parts, never use
sharp tools or metal cables. For a better cleaning operation don’t use
pure gasoline but it is advisable to use the “CHIMEC HITEC 4420” prod-
uct, drying by means of compressed air.
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