APRILIA RSV4 RR 2017 Service Station Manual page 361

RSV4 RR-RF
The connecting rod class is stamped on its left
side, viewed from the front, from the side with the
bevelling on the big end hole.
Bushing selection
CRANKSHAFT BUSHINGS
CRANKCASE CATEGORY
Three crankcase classes are available (A - B- C)
which differentiate in the diameter of the hole in the
bearings.
The category is marked on the crankcase, on the
right side, in the area below the gearbox.
Different classes of bearings can be used (e.g.: A
- B - C or B - B - C or A - B - A ....).
A number that indicates the position of the main
journal is stamped on the crankcase:
1. flywheel side;
2. central;
3. clutch side.
Engine
ENG - 361