APRILIA V990 Manual page 50

DISASSEMBLING THE ENGINE
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Carefully read 0.5.1 (PRECAUTIONS AND GENERAL
INFORMATIONS).
NOTE
The following operations can be performed with-
out removing the engine from the frame.
a
WARNING
When performing work on the ignition system:
– switch off the engine;
– disconnect the battery: always disconnect the
negative pole (–) first;
– drain the engine oil tank completely, see 0.4.1 (VE-
HICLE WORKSHOP MANUALS);
– lock the drive shaft at the TDC of the front or rear
piston.
N
Disconnect the ignition generator connector (A) from
the electric wiring.
N
unscrew and remove the twelve M6 T.C.E.I. screws (1).
NOTE Have the appropriate special tool m to hand:
– aprilia part# 0277252 (flywheel magneto cover remov-
al tool) (2).
N
Screw the special tool (2) onto the flywheel cover (3).
N
Lift the flywheel cover (3).
N
Remove the gasket (4).
NOTE
The driving shaft must be retained at the TDC of
front piston or rear piston.
N
Unscrew and remove the M16 T.C.E.I. screw (5) and
remove the washer (6).
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ã
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V990 engine
Release 00/2001-06