Removing The Exhaust Valve - APRILIA RS 125 Workshop Manual

ENGINE
4.4.3.

REMOVING THE EXHAUST VALVE

• Remove the fuel tank, see (REMOVING THE FUEL
TANK).
• Remove the battery along with its box mount, see
(REMOVING THE BATTERY).
PARTIAL REMOVAL
•
Move the protection element (1) out of the way.
• Loosen and remove both screws (2) and collect the
lock washers.
If the valve moves freely:
•
Take the exhaust valve assembly along with the
Bowden cable out of the cylinder.
•
Rotate the valve stem housing (3) through 180° and
disconnect the Bowden cable (4).
•
If the exhaust valve is jammed in the open position
(due to combustion residue):
•
Push back the valve stem housing (3) using a
screwdriver.
WARNING
Take care to not damage the sealing surface.
•
Rotate the valve stem housing (3) through 180° and
disconnect the Bowden cable (4).
• Remove the valve stem housing (3) and collect spring
(6) and seal (5).
•
Remove the exhaust valve (7) using the valve puller,
see (EXHAUST VALVE PULLER).
COMPLETE REMOVAL
•
Loosen and remove both RAVE valve screws and
collect the lock washers.
• Take the exhaust valve assembly out of the cylinder.
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RS125