PIAGGIO Liberty 125 User Manual

- Remove the central screw and the tensioner
spring. Check that the one-way mechanism is not
worn.
- Check the condition of the tensioner spring.
- If examples of wear are found, replace the whole
assembly.
Inspecting the valve sealings
- Measure the width of the sealing surface on the valve seats.
VALVE SEAL SURFACE
Specification Desc./Quantity
Inlet valve - seal surface 2.4 ÷ 2.8 mm
Outlet valve - seal surface 2.2 ÷ 2.6 mm
Inspecting the valve housings
- Remove any carbon formation from the valve guides.
- Measure the inside diameter of each valve guide.
- Take the measurement at three different heights in the rocker arm push direction.
Characteristic
Standard drainage guide diameter
5.012 mm
Standard inlet guide diameter
5.012 mm
Engine Liberty 125 - 200 4tempi
ENG - 100

PIAGGIO Liberty 125 Specifications

General

Displacement	124 cc
Fuel System	Electronic Injection
Front Suspension	Hydraulic telescopic fork
Rear Brake	140 mm drum
Front Tire	90/80 - 16"
Rear Tire	100/80 - 14"
Wheelbase	1, 340 mm
Length	1, 945 mm
Width	690 mm
Seat Height	790 mm
Engine Type	Single cylinder, 4-stroke
Torque	10.4 Nm @ 8, 000 rpm
Cooling System	Air cooled
Transmission	CVT
Rear Suspension	Single shock absorber
Front Brake	240 mm disc
Fuel Tank Capacity	6 liters
Weight	124 kg