MV Agusta 2008 F4 312RR 1078 Workshop Manual page 76

Gear command
Disassemble the gear command group
following the order shown in the figure.
Place the various components in an
D
orderly way so as to facilitate reassem-
bling.
Check each component for wear of
irregular traces on its surface.
Carefully check the following compo-
nents.
Shift drum
Check the shift drum ("desmo"): no
signs of wear on the grooves are
allowed.
Fork pin - groove clearance for new
parts: 0,15÷0,35 mm.
Wear limit:
0,65 mm.
Groove width of a new drum: 7,05÷7,15
mm
Wear limit: 7,35 mm.
The new fork pin diameter is equal to
6,8 ÷ 6,9 mm
Wear limit: 6,7 mm.
Verify the working clearance between
the fork pin and the shift drum groove,
measuring the dimensions with a
gauge.
If the value exceeds the service limits,
compare the standard value to choose
the parts to be replaced.
Verify the gear locker pawl free move-
ment.
Reassemble the various parts by acting
in the opposite way.
Degrease accurately and apply
MEDIUM THREAD BLOCKER to
all the screws, before reassembly.
Lock all the screws at a 8 N·m
torque but the screw 1, needing
a 25 N•m torque.
Crankcase
- 14 -
1
8 N•m
25 N•m