APRILIA SX 125 Service Station Manual page 119

RX SX 125
•
Insert the oil seal (8) of the main shaft from the inside to the outside using a punch for fitting.
Specific tooling
AP0276502 Buffer for fitting oil seal 930675
•
Push the ball bearing (7) of the main shaft using a suitable punch.
THE CLOSED SIDE OF THE BALL RETAINER SHOULD BE FACING THE OIL SEAL.
•
The ball bearings of the secondary shaft (9) and those of the countershaft (10) can be taken
out using the specific extractor for bearings.
PLACE THE OLD CRANKCASE HALF GASKET UNDER THE EXTRACTOR PLATE TO AVOID
DAMAGING THE SEAL SURFACE.
Specific tooling
AP0277455 Extractor plate to separate the crankcase halves
AP0276370 Split bushing
AP0276372 Split bushing
•
The ball bearings of the secondary shaft and those of the countershaft can be taken out
using the specific extractor for bearings.
THE REAR SIDE OF THE BALL BEARING RETAINER SHOULD BE FACING OUTWARDS.
•
The needle bearing for the gears of the starter motor can be pulled using a specific extractor
for bearings.
CLUTCH SIDE CRANKCASE HALF
•
Pre-warm the crankcase half at 60 - 100 °C (140 - 212 °F).
•
Remove both reference pins (11) for the clutch cover.
PLACE THE CRANKCASE HALF ON A SUITABLE LEVEL SURFACE TO AVOID DAMAGING THE
SEAL SURFACES.
•
Take out the oil seal (12) of the crank-
shaft.
•
Take out the ball bearing (13) of the
crankshaft using a suitable punch. Re-
fit following the same procedure, with
the closed side of the bearing retainer
facing inwards.
Engine
ENG - 119