APRILIA RSV4 RR Service Station Manual page 376

Engine
Specification
Class A
Class B
Class C
SHAFT CATEGORY
The three crankshaft main journals:
1. flywheel side;
2. central;
3. clutch side.
they are each selectable in two pairs of classes, A-
B (up to engine No. 3990) or C-D-E (from Engine
No. 3991).
The class is stamped on the flat face of the coun-
terweight, as shown in the image.
The three main journals may have different
classes to each other according to the type of cou-
pling (e.g: A - B - A or B - B - A etc.) o (e.g.: C - D
- E or D - C - C etc.)
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
Crankshaft main journal
Class C main journal
Class D main journal
Class E main journal
ENG - 376
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
C
RANKSHAFT BUSHINGS
Class A crankcase
Bushing (green)
Bushing (black)
Bushing (black)
Desc./Quantity
in)
in)
in)
Desc./Quantity
in)
in)
in)
Class B crankcase
Bushing (green)
Bushing (green)
Bushing (black)
RSV4 RR/RF
Class C crankcase
Bushing (yellow)
Bushing (green)
Bushing (green)