APRILIA CAPONORD 1200 Service Station Manual page 53

CAPONORD 1200
Crankshaft class (crank pin)
There are four different classes of crankshaft avail-
able (0, 1, 2, 3), selected in relation to crank pin
diameter.
There are four different classes of crankshaft avail-
able (E1, E2, ...) selectable in relation to connect-
ing rod weight.
Key:
* Class according to connecting rod weight.
** Class according to crank pin diameter.
*** Serial number for traceability and indicating date.
Class
0
1
2
3
See also
Removing the flywheel cover
Selecting bushings
There is only one dimension class for the connecting rod. As a result, the bushings used must be
selected in accordance with the dimension class of the crank pin.
Crank pin diameter
Crankshaft class 0
Crankshaft class 1
Crankshaft class 2
Crankshaft class 3
Selecting connecting rods
Not all weight classes are available as spare parts. Only the two most significant weight classes are
available - refer to the following table for selection:
Class according to
crankshaft weight
E1
E2
E3
E4
-
E5
E6
E7
CAUTION
SHAFT CATEGORY
BUSHINGS
CONNECTING RODS
Original connecting rod class (colour)
Brown connecting rod
Blue connecting rod
Yellow connecting rod
Green connecting rod
-
Pink connecting rod
Black connecting rod
White connecting rod
Crank pin diameter (mm)
42.000 - 42.006 mm (1.65354 - 1.65377 in)
41.994 - 42.000 mm (1.65330 - 1.65354 in)
41.988 - 41.994 mm (1.65307 - 1.65330 in)
41.982 - 41.988 mm (1.65283 - 1.65307 in)
Connecting rod class 1
Semi-bushing type E (green)
Semi-bushing type A (red)
Semi-bushing type B (blue)
Semi-bushing type C (yellow)
Original connecting
rod class ("E"
marking)
E1
E2
E3
E4
-
E5
E6
E7
Characteristics
Spare part connecting
rod class
Cat. A
Cat. A
Cat. A
Cat. A
-
Cat. B
Cat. B
Cat. B
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