Ducati HYPERMOTARD 939, Руководство пользователя

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Timing system
DESMODROMIC system with four valves per
cylinder controlled by eight rocker arms and two
overhead camshafts. This system is driven by the
crankshaft through spur gears, belt rollers and
toothed belts.
Desmodromic timing system
1) Opening (or upper) rocker arm;
2) Upper rocker arm shim;
3) Closing (or lower) rocker arm shim;
4) Return spring for lower rocker arm;
5) Closing (or lower) rocker arm;
6) Camshaft;
7) Valve.
6
1
2
2
2 1
5
3
5
4
7
Fig. 144
202