APRILIA 8140172, Service And Repair Manual

Page: 122 / 279

ENGINE
RSV mille
3 - 39
3.6.4 ENGINE HALF-CASING - BALL BEARINGS
AND OIL SEALS
Carefully read 0.2.1 (PRECAUTIONS AND GENERAL
INFORMATIONS).
DISASSEMBLY
NOTE
The oil seals can be disassembled and assem-
bled without removing the engine from the vehicle.
◆ In order to remove and insert the ball bearings, heat the
engine casing to a temperature of approx. 80 - 100 °C
(176 - 212 °F).
◆ Lift and take out the oil seals:
– secondary gearshift shaft (1);
– selector shaft (2);
– clutch disengaging shaft (3).
NOTE
As a rule, the disassembled oil seals should be
replaced.
◆ Unscrew and remove the M6 FH screws (4) securing
the ball bearings.
◆
Remove the M6 x 13 flanged-head screw (5).
NOTE
In order to avoid damaging the gasket surface,
an old engine casing gasket should be placed under-
neath the puller plate.
◆ Remove the primary shaft ball bearings (6) with the aid
of a universal sleeve puller (7).
◆ Remove the ball bearings using the relevant drift.
– gearshift primary shaft (8), clutch side;
– gearshift secondary shaft (9), clutch side;
– shift cam (10), clutch side;
– gearshift secondary shaft (11), flywheel side.
◆ Remove the shift cam ball bearings (12).
NOTE
As a rule, the disassembled ball bearings should
be replaced.