APRILIA TUONO V4 R a-PRC ABS User Manual

For the type "A" connecting rod, three types of
semi-bushings are available:
•
Red
•
Blue
•
Yellow
For the coupling of the connecting rod with the
crankshaft, coupling classes are not indicated, but
in alternative the two following semi-bushings are
available:
1. BLUE - BLUE (recommended solution)
2. YELLOW - RED (if combination is not pos-
sible)
In combination 2, the YELLOW semi-bushing must
be installed on the connecting rod shank and the
RED semi-bushing must be installed on the cap.
For the type "B" connecting rods, three types of
semi-bushings are available:
•
Blue
•
Yellow
•
Green
For the coupling of the connecting rod with the
crankshaft, according to the engraving on the
counterweights, observe the following table:
CONNECTING ROD COUPLING "TYPE 2" - CRANKSHAFT
Selection connecting rod
pin dimension
Connecting rod pin
dimension
Bushing colours Provided clearance
X 39.008 - 39.003 mm Blue + Yellow 0.054 - 0.026
Y 39.003 - 38.998 mm Yellow + Yellow/ *Blue +
Green*
0.054 - 0.026
Z 38.998 - 38.992 mm Yellow + Green 0.055 - 0.026
key:
* Selection of colours that can be fitted as an alternative to the main selection
BIG END BUSHING REPLACEMENT PROCEDURE
When replacing the big end bushings, make sure that the tang of the semi-bushing is correctly housed
in the corresponding notch in the connecting rod stem or cap.
Engine TUONO V4 R a-PRC ABS
ENG - 358

APRILIA TUONO V4 R a-PRC ABS Specifications

General

Brand	APRILIA
Model	TUONO V4 R a-PRC ABS
Category	Motorcycle
Language	English