APRILIA SX 125 User Manual

Installing the head cover
•
Fit the O-rings.
•
Fit the head cover already fitted with
the thermostat.
•
Tighten crosswise the four screws fix-
ing the head cover.
Crankcase - crankshaft
Splitting the crankcase halves
•
Remove the snap ring of the crankshaft
and that of the countershaft.
RX SX 125 Engine
ENG - 113

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