APRILIA SX 125 User Manual

Checking the clutch hub
•
When the clutch hub is worn, this may
cause bell sliding problems. Replace
the hub if its surface has exceeded the
wear limit. Max. wear limit (A) 0.3 mm
(0.012 in).
Assembling the clutch
•
Check that the needle bearings are in-
stalled on the secondary shaft.
•
Install the clutch base.
•
Fit the disc pack pre-assembled on the
clutch base which has been previously
placed on the secondary shaft.
Head and timing
Engine RX SX 125
ENG - 104

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