Checking The Valve Clearance - APRILIA SL 750 SHIVER Service Station Manual

SL 750 SHIVER
•
Working on both ducts, turn the upper
part of the intake ducts anticlockwise
and remove it.
•
Remove the filtering element.
COVER THE INTAKE DUCTS WITH A CLEAN
CLOTH SO THAT FOREIGN BODIES DO NOT
GET INTO THE INLET DUCTS. UPON REFIT-
TING AND BEFORE PLACING THE FILTER
CASING COVER, MAKE SURE NEITHER THE
CLOTH NOR ANY OTHER OBJECT HAS BEEN
LEFT INSIDE THE FILTER CASING. MAKE
SURE THE FILTERING ELEMENT IS COR-
RECTLY PLACED SO THAT UNFILTERED AIR
DOES NOT FLOW IN. DO NOT FORGET THAT
EARLY WEAR OF THE PISTON RINGS AND
THE CYLINDER CAN BE CAUSED BY A MAL-
FUNCTIONING OR MISPLACED FILTERING
ELEMENT.
REFITTING
•
Upon refitting, pay attention when inserting intake ducts and check that the bayonet joint is
released once every duct has been inserted and rotated.

Checking the valve clearance

The following operation can be carried out also with the engine fitted on the vehicle.
•
Remove both head covers.
CAUTION
WHENEVER THE HEAD COVER IS REMOVED, ALL FOUR RUBBER RINGS AND THE GASKET
SHOULD BE REPLACED.
Maintenance
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