Piaggio 400ie - Manual (Page 74)

Faulty ignition / injection control
unit. Contact an Authorised Service
Centre.
Faulty coil. Due to the presence of
high voltage, this check should
only be carried out by an expert. Contact an Authorised Service
Centre.
LACK OF COMPRESSION
Loosen spark plug. Screw in the spark plug tightly
Cylinder head loose, piston gas
rings worn. Contact an Authorised Service
Centre.
Valve stuck Contact an Authorised Service
Centre.
HIGH CONSUMPTION AND LOW PERFORMANCE
Air filter blocked or dirty. Clean with water and shampoo and
impregnate with petrol and specific
oil (section «Removing the air
filter»)
INSUFFICIENT BRAKING
Greasy disc. Worn pads. Faulty
braking system. Presence of air in
the front and rear brake circuit. Contact an Authorised Service
Centre.
74
3 Maintenance