MV Agusta 2008 F4 312RR 1078 Workshop Manual page 47

Valve removal
A)Take out the cups (1) with the help of a magnet and
number them with a marker so as to reassemble
them in the same position.
B)Remove the tablets (2) of play adjustment with a
magnet and place them inside the relative cup so as
to reassemble them in the same position. To remove
the semi cones (3) exclusively use tool n° 95179 so
as to avoid bending the valves:
C)Assemble the head on tool n° 800094796
D)Hammer on the superior disk with a rubber hammer
to unblock the semi cones
E)Press the springs on the superior disk
F) Take out the semi cones with a magnet
G) Slowly release the disk pusher.
Then remove in the following order:
A)Semicones
B)The 2 coaxial springs (4 and 5);
C)If necessary remove the rubber holdings using tool
n° 800094798
D)Remove the inferior disk more grazingly (6)
E)Slide the valve out of the combustion chamber
Cylinder kit
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1
800094796
C