MOTO GUZZI Stelvio 1200 4V, Service Station Manual

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Transmission fluid
Gearbox Oil
Checking the valve clearance
If the timing system is very noisy, check the clearance between the valves and the rocking levers.
NOTE
ADJUST WITH COLD ENGINE, WITH PISTON AT TOP DEAD CENTRE (TDC) IN COMPRESSION
STROKE (VALVES CLOSED).
•
Disconnect both spark plug tubes.
•
Undo and remove the four head cover
fixing screws and collect the sealing O-
rings.
•
Remove the head cover together with
the gasket.
•
Loosen the nut (1).
•
Use a screwdriver to act on the set
screw (2) until the following clearances
are obtained:
Inlet valve: 0.10 mm (0.0039 in)
Outlet valve: 0.15 mm (0.0059 in)
•
The measurement must be done using
a special thickness gauge .
CAUTION
IF CLEARANCE IS LARGER THAN RECOM-
MENDED, THE TAPPET WILL BE NOISY. OTH-
ERWISE, THE VALVES DO NOT CLOSE COR-
Maintenance
STELVIO 4V - 1200
MAIN - 2