MV Agusta 2008 F4 312RR 1078 Workshop Manual page 55

Regulating valve play
Verify that the spark plugs have been disassembled.
Should this procedure be carried out with
the head assembled on the motor, block the
spark plug holes with clean rags and assem-
ble plate n° 800094797 to avoid the pieces
accidentally falling into the chain distributi-
on opening.
A)Rotate the drive shaft until completely unwinding the
springs relative to the valves on which intervening
(MSP in burst phase).
B)Measure valve play with a thickometer.
Inlet valve play
0,15 ÷ 0,24 mm
C)Calculate the D difference between the compared
play and optimal play shown on the chart
D)Read the value of S thickness on the tablet;
E)Choose a new tablet with an S+D thickness.
During reassembly never use a tablet with a
thickness less than 1,6 mm.
Cylinder kit
Exhaust valve play
0,20 ÷ 0,29 mm
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C