APRILIA TUONO V4 R a-PRC ABS User Manual

Connecting rod check
Characteristic
Maximum wear limit of the rod small end
17.05 mm (0.671 in)
Maximum rod small end radial clearance
0.055 mm (0.0022 in)
Maximum radial play between connecting rod
and crankpin
0.55 mm (0.022 in)
Maximum radial play of crankpin
0.08 mm (0.0031 in)
Inspecting pistons
WITHOUT CLASS SELECTION
Characteristic
Minimum piston diameter
77.914 mm (3.067 in)
Maximum clearance between the cylinder and piston
0.1 mm (0.0039 in)
Maximum wear limit of the clearance between pin and pin hole on the piston
0.040 mm (0.0016 in)
Maximum allowed clearance between the first piston ring and respective slot on the piston
0.1 mm (0.0039 in)
Maximum allowed clearance between the second piston ring and respective slot on the piston
0.1 mm (0.0039 in)
Maximum opening of the piston ring fit on the pin First piston ring
0.5 mm (0.0197 in)
Second piston ring
0.7 mm (0.0275 in)
WITH CLASS SELECTION
CAUTION
THE MEASUREMENT OF THE PISTON DIAMETER IS PER-
FORMED AT 6 mm (0.24 in) FROM ITS BASE
Characteristic
Piston diameter
Class A: 77.961-77.971 mm (3.0693-3.0697 in).
Class B: 77.971-77.981 mm (3.0697-3.0701 in)
Maximum clearance between the cylinder and
piston
TUONO V4 R a-PRC ABS Engine
ENG - 351

APRILIA TUONO V4 R a-PRC ABS Specifications

General

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