HEAD - VALVES
Pos. Description Type Quantity Torque Notes
1 Cam tower fixing screws - 12 11 Nm (8.11 lbf ft) -
2 Water temperature sensor - 1 20 Nm (14.75 lbf ft) -
3 Thermostat cover flanged hex fixing
screw
M5 5 6 Nm (4.43 lbf ft) -
4 Secondary air cover fixing screws M5x16 3 6 Nm (4.43 lbf ft) -
5 Stud bolts M10 4 10 Nm (7.38 lbf ft) -
6 Flanged nut fixing cylinder head M10 6 30 Nm (22.12 lb ft) Pre-tightening - lu-
bricate with MOLY-
KOTE G-RAPID
PLUS
6 Flanged nut fixing cylinder head M10 6 180° Tightening
Removing the head cover
To proceed with removing the head cover, pro-
ceed as described:
•
Remove the four fixing screws (1) of
the head cover and the relative damper
pads (2).
•
Remove the head cover (3).
•
Remove the gaskets (4).
RS 660 - Tuono 660 Engine
ENG - 193