Checking; Exhaust Valve - APRILIA SX 125 Service Station Manual

RX SX 125
TOTAL
•
Undo and remove both RAVE valve
screws and collect the locking wash-
ers.
•
Take out the exhaust valve unit from
the cylinder.
•
Disconnect the connector of the sys-
tem control unit.
•
Undo and remove both screws (8) from
the battery housing frame.
•
Remove the whole RAVE valve.

Checking

GASKETS
•
Check that the valve gasket (1) and the O-ring (2) (fitted to the valve seat) are not worn or
damaged.

EXHAUST VALVE

•
Clean off any combustion deposits from the exhaust valve (3) and from the valve duct in the
cylinder.
•
Make sure that the exhaust valve is not worn or damaged.
Chassis
CHAS - 189