CRANKCASE CLASSES 01
Specification Desc./Quantity
Crankcase class A Centre-to-centre distance: 110.50 - 110.54 mm (4.3504 -
4.3519 in)
Crankcase class B Centre-to-centre distance: 110.46 - 110.50 mm (4.3488 -
4.3504 in)
See also
Removing the flywheel cover
Crankcase class (internal marking on second
generation crankcases)
Two different crankcase classes (A or B) are avail-
able, selected in relation to the centre-to-centre
distance between the primary reduction gears.
The class is indicated on the clutch side crankcase
half, in the gearbox control mechanism area.
NOTE
IN THE EVENT OF CRANKCASE REPLACEMENT, THE PRI-
MARY REDUCTION GEAR IS SUPPLIED READY MESHED.
CRANKCASE CLASSES 02
Specification Desc./Quantity
Crankcase class A Centre-to-centre distance: 110.50 - 110.54 mm (4.3504 -
4.3519 in)
Crankcase class B Centre-to-centre distance: 110.46 - 110.50 mm (4.3488 -
4.3504 in)
Class one
Two different pinion classes (A or B) are available,
selected in relation to the centre-to-centre dis-
tance between the primary reduction gears.
On class B pinions only, the class is indicated on
the pinion itself.
See also
Removing the flywheel cover
Characteristics DORSODURO 1200 ABS - ATC
CHAR - 56