CAMSHAFT VALVE TIMING FOR DUCATI
TWO-VALVE BELT TWINS
Inlet Opens ±5°
Before Top
Dead Center
Inlet Closes ±5°
After Bottom
Dead Center
Exhaust Opens ±5°
Before Bottom
Dead Center
Exhaust Closes ±5°
After Top
Dead Center
Measurement
Clearance (mm)
500/600/650 SL 600 TL 50° 80° 75° 45° 0.1
350 XUSL/TL 46° 65° 76° 37° 0.1
750 Fl 1985 29° 90° 70° 48° 0.1
750 Fl 1986 39° 80° 80° 38° 0.2
750 Montjuich/Laguna Seca/Santamonica 67° 99° 93° 70° 0.2
350/400 F3 40° 80° 57° 43° 0.2
350 Indiana/Elefant 19° 62° 53° 33° 0.2
350 Alazzurra/650 Alazzurra (until 612549) 40° 70° 67° 43° 0.2
650 Alazzurra (after 612550) 650 Indiana/Elefant 39° 80° 80° 38° 0.2
750 Paso/750 Sport/750 Indiana/Elefant/900 IE/
350/400/600/750 Super Sport/M600/750 (1994-96)/Gran Canyon
31° 88° 72° 46° 0.2
906 Paso/907 IE/900 Super Sport/E900/M900 20° 60° 58° 20° 1
900 Super Sport (1994-96) 43° 85° 82° 46° 0.2
M600/750(1997)/M900(1997-99)/M400/750 Super Sport (1999-) 12° 70° 56° 25° 1
M600/750(1998-99) 11° 70° 50° 30° 1
900 Super SportFE (1997-98)/M900S (1998-99) 24° 70° 58° 29° 1
ST2 29° 73° 71° 30° 1
900 Super Sport (1998-)/M900 (2000) 25° 75° 66° 28°
 
Racing camshafts were also available as an option on the 500/600 SL. The TT2 had special racing camshafts.
500/600 SL 60° 74° 90° 60° 0.2
TT2 90° 92° 100° 64° 0.2