APRILIA V990 Manual page 61

V990 engine
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Carefully read 0.5.1 (PRECAUTIONS AND GENERAL
INFORMATIONS).
N
Remove the two spindles (1).
N
Turn both gearshift forks (2) of the secondary shaft (3)
outwards, moving them away from the guides of the se-
lector cylinder (4), and remove them.
N
Turn the gearshift fork (5) of the primary shaft (6) out-
wards, moving it away from the guide of the selector
cylinder (4), and remove the selector cylinder.
rd th
N
Push the 3 and 4 gear selector gear (7) upwards
and remove the fork (5) from the primary shaft.
N
Set the engine half-casing upright on the assembly
bench.
NOTE
Keep both the secondary shaft and primary
shaft still with one hand whilst tapping the secondary
shaft (3) with a plastic hammer, working from the outside.
This forces the two shafts out of their relevant housings
complete with the gearshift gears.
N
Disassemble the gearshift (8).
a
CAUTION
The secondary shafts seal is inevitably damaged
whilst disassembling the gearshift and must, there-
fore, be replaced.
NOTE
Take the gearshift apart, see 4.14 (TRANSMIS-
SION).
Release 00/2001-06
DISASSEMBLING THE ENGINE
3 - 25
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