APRILIA Tuono V4 1100 Factory Service Station Manual page 394

Engine
Specification
Class A
Class B
Class C
SHAFT CATEGORY
The category of the three crankshaft main journals
is stamped on the flat face of the counterweight,
as shown in the image.
The thee main journals may be of different classes.
Specification
Class C
Class D
Class E
Once the categories below are checked:
1. crankcase;
2. flywheel side main journal;
3. centre main journal;
4. clutch side main journal.
Choose the bushings used for assembly from the following table
The flywheel side and clutch side main bearings are different from the central ones and therefore, so
are the respective replacement part numbers.
ENG - 394
C
RANKCASE CATEGORY
Bushing seat diameter 52.023 - 52.018 mm (2.0481 - 2.0479
Bushing seat diameter 52.018 - 52.013 mm (2.0479 - 2.0477
Bushing seat diameter 52.013 - 52.008 mm (2.0477 - 2.0475
C
RANKSHAFT CATEGORIES
Main journals - diameter: 46.028 - 46.023 mm (1.8121 - 1.8119
Main journals - diameter: 46.023 - 46.018 mm (1.8119 - 1.8117
Main journals - diameter: 46.018 - 46.013 mm (1.8117 - 1.8115
Tuono V4 1100 Factory
Desc./Quantity
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Desc./Quantity
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