PIAGGIO MP3 LT 400 i.e. Instruction Manual page 89

Faulty ignition / injection control
unit.
Faulty coil. Due to the presence of
high voltage, this check should
only be carried out by an expert.
L
ACK OF COMPRESSION
Loose spark plug.
Cylinder head loose, piston gas
rings worn.
Valve stuck
HIGH CONSUMPTION AND LOW PERFORMANCE
Air filter blocked or dirty.
INSUFFICIENT BRAKING
Greasy disc. Worn pads. Faulty
braking system. Presence of air in
the front and rear brake circuit.
Contact an Authorised Service
Centre.
Contact an Authorised Service
Centre.
Screw in the spark plug tightly
Contact an Authorised Service
Centre.
Contact an Authorised Service
Centre.
Clean with water and shampoo and
impregnate with petrol and specific
oil («Air filter removal» section)
Contact an Authorised Service
Centre.
89