APRILIA V990 Manual page 56

DISASSEMBLING THE ENGINE
 $)3!33%-",).' 4(% #/5.4%23(!&4
-%#(!.)3- !.$ 02)-!29
42!.3-)33)/.
Carefully read 0.5.1 (PRECAUTIONS AND GENERAL
INFORMATIONS).
NOTE
The driving shaft must be retained at TDC, see
3.4 (DISASSEMBLING FRONT CYLINDER, HEAD AND
PISTON).
N
Unscrew and remove the M22x1.5 T.E. nut (1), remove
the spring washer (2) and countershaft counterweight
(3).
N
Unscrew and remove the M33x1.5 T.E. nut (4) and re-
move the spring washer (5).
N
Remove the drive gear (6) from the driving shaft.
N
Remove the differential gears (7) from the driving shaft
and countershaft together.
N
Detach the key (8), the upper washer (9) and coolant
pump gear (10) from the countershaft.
N
Remove the coolant pump idler gear (11).
N
Detach the lower washer (12) from the countershaft.
3 - 20
- 00
V990 engine
Release 00/2001-06