APRILIA SX 125 User Manual

Disassembling the clutch
•
Remove the pack of the clutch discs
from the clutch base.
•
Remove the clutch base of the secon-
dary shaft.
Checking the clutch plates
•
Undo and remove the six M5 fixing
screws (9) crosswise and remove the
clutch.
THE UPPER DISC IS USED AS A SPRING AND MUST BE
PUT BACK IN PLACE AT THE SAME UPPER POSITION.
•
Check that the plain clutch discs (6) are not deformed; Max. distortion limit 0.15 mm (0.0059
in).
•
Check that the coated clutch discs (5) are not worn; Max. wear limit, min. thickness 2.8 mm
(0.110 in).
THE UPPER DISC IS USED AS A SPRING AND MUST BE PUT BACK IN PLACE AT THE SAME
UPPER POSITION.
CHECK:
•
Clutch bell (1) teeth sides and control gear (2) teeth sides.
Engine RX SX 125
ENG - 102

APRILIA SX 125 Specifications

General

Displacement	124.2 cc
Cooling System	Liquid cooled
Fuel System	Electronic fuel injection
Transmission	6-speed
Rear Suspension	Monoshock
Front Tire	100/80-17
Rear Tire	130/70-17
Compression Ratio	12.5:1
Starter	Electric
Clutch	Wet multi-plate
Front Brake Disc	300 mm
Rear Brake Disc	220 mm
Dry Weight	134 kg
Bore x Stroke	58 mm x 47 mm
Max Power	11 kW (15 HP) @ 10, 000 rpm
Front Suspension	41 mm USD fork
Front Brake	Single 300 mm disc
Rear Brake	Single disc
Fuel Tank Capacity	7 liters
Frame	Steel perimeter
Engine Type	Single-cylinder, 4-stroke