PIAGGIO Liberty 125ie Manual page 61

Faulty ignition / injection control
unit.
LACK OF COMPRESSION
Spark plug adapter "worn", valve
clearance not adequate; worn
piston gas rings
HIGH CONSUMPTION AND LOW PERFORMANCE
Air filter blocked or dirty.
INEFFICIENT BRAKING
Oil on drum or disc. Worn Pads/
Shoes
incorrect rear brake adjustment
conditions, contact an Authorised
Service Centre.
Contact an Authorised Service
Centre.
Contact an Authorised Service
Centre.
Contact an Authorised Service
Centre.
Contact an Authorised Service
Centre
Adjust
61