MOTO GUZZI V10 CENTAURO Werkstatt-Handbuch Seite 90

VALVE SEATS (Fig. 11-64)
The valve seats should be milled. The seat inclination
is 90°.
After milling, to obtain a good coupling and a perfect
seal between the ring nut and the valve mushrooms,
use a honing machine.
Lateral clearance between rocker arms and rocker
arm support housing 0.2 mm (Fig. 11-65); the shim
washers are supplied with thicknesses of 1 mm and
1.2 mm.
ROCKER ARM PIN
88
0,2 mm
0,2 mm
Ø11.983 ÷ 11.994
Detail of exhaust valve seat
Ø26
6°
1.1 ÷ 1.2
Ø26.7 ÷ 26.9
Ø29
Detail intake valve seat
Ø29.5
15°
1.1 ÷ 1.2
Ø30.9 ÷ 31.1
Ø33
ROCKER ARM
Ø12.000 ÷ 12.018
90°
90°
11-64
0,2 mm
0,2 mm
11-65
11-66