APRILIA RSV4 1100 Factory Service Station Manual page 359

RSV4 1100 Factory
CAUTION
THE MEASUREMENT OF THE PISTON DIAMETER IS PER-
FORMED AT 6 mm (0.24 in) FROM ITS BASE
Characteristic
Coupling clearance between the pin and the
hole on the piston
0.016 - 0.005 mm (0.0006 - 0.0002 in)
Aperture tolerance of the first piston ring
mounted on the cylinder
0.10 - 0.25 mm (0.0039 - 0.0098 in)
Aperture tolerance of the second piston ring
mounted on the cylinder
0.40 - 0.60 mm (0.0157 - 0.0236 in)
Aperture tolerance of the third piston ring (oil
scraper) mounted on the cylinder
0.20 - 0.70 mm (0.0079 - 0.0276 in)
Selecting connecting rods
SELECTING CRANKSHAFTS AND CONNECTING RODS ACCORDING TO BALANCING CLASS
crankshafts and connecting rods have been intro-
duced which are matched with each other in rela-
tion to their balancing class. The class is easily
identifiable as it is marked on the component itself.
The permitted crankshaft-connecting rod balancing class combinations are listed in the following table:
CRANKSHAFT - CONNECTING ROD BALANCING CLASSES
Crankshaft balancing classes
LL
Combinations of weight classes for
connecting rod pair on alternator side
AA+AA / NOT PERMITTED*
Combinations of weight classes for
connecting rod pair on primary drive
side
AA+AA / NOT PERMITTED*
Engine
ENG - 359