APRILIA RX 125 Service Station Manual

•
The seal surface of the combustion
chamber insert gets slightly conic start-
ing from a 63 mm (2.48 in) diameter.
CYLINDER HEAD COVER
•
Make sure the seal surfaces of the two
O-rings are clean.
•
Make sure the cylinder head cover is
not damaged.
Cylinder-piston assembly
Removing the cylinder
•
Remove the head.
•
Working from both sides remove the
four fixing screws and collect the wash-
ers.
•
Take out the cylinder with utmost care
trying not to damage the piston.
•
Remove the gasket on the cylinder
base.
See also
Removing the cylinder head
Engine RX SX 125
ENG - 106

APRILIA RX 125 Specifications

General

Displacement	124.2 cc
Max Power	11 kW (15 HP) @ 10, 700 rpm
Torque	11.2 Nm @ 8, 000 rpm
Fuel System	Electronic fuel injection
Transmission	6-speed
Rear Suspension	Monoshock
Front Brake	Single disc, 300 mm
Rear Brake	Single disc, 220 mm
Seat Height	905 mm
Weight	134 kg (dry)
Engine Type	Single cylinder, 4-stroke
Cooling System	Liquid-cooled
Front Suspension	Upside-down fork
ABS	Yes