APRILIA SHIVER 900, Service Station Manual

Page: 51 / 444

C
RANKSHAFT
Pos. Description Type Quantity Torque Notes
1 Primary crankshaft fastening net M24x1.5 1 294 Nm (216.84 lb ft) Thoroughly de-
grease both of the
coupling surfaces
(shaft cone and
gear cone)
2 Connecting rod fastening screws -
Pre-torque
M10x1x40 4 15 Nm (11.06 lb ft) Lubricate the
threads before tight-
ening
2 Connecting rod fastening screws -
Torque
M10x1x40 4 30 Nm (22.13 lb ft) + 50°
+/- 2°
-
2 Connecting rod fastening screws -
Control
M10x1x40 4 70 Nm (51.63 lb ft) -
Overhaul data
Assembly clearances
Cylinder - piston assy.
The pistons are available in four size types (A, B,
C, D) to be coupled to the four cylinder types (A,
B, C, D).
Only one type of piston ring is available.
P
ISTON
-
CYLINDER COUPLING
Specification Desc./Quantity
Cylinder-piston class A coupling Cylinder: 91.990 - 91.997 mm (3.6216 - 3.6219 in)
Piston: 91.933 - 91.940 mm (3.6217 - 3.6197 in)
Cylinder-piston class B coupling Cylinder: 91.997 - 92.004 mm (3.6219 - 3.6222 in)
Piston: 91.940 - 91.947 mm (3.6197 - 3.6199 in)
Cylinder-piston class C coupling Cylinder: 92.004 - 92.011 mm (3.6222 - 3.6225 in)
Piston: 91.947 - 91.954 mm (3.6199 - 3.6202 in)
Cylinder-piston class D coupling Cylinder: 92.011 - 92.018 mm (3.6225 - 3.6227 in)
Piston: 91.954 - 91.961 mm (3.6202 - 3.6205 in)
SHIVER 900
Characteristics
CHAR - 51