PIAGGIO Beverly 400 I.E Maintenance Instructions Manual page 67

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.
INEFFICIENT SUSPENSIONS
Shock absorber fault, oil leak, end
buffer damaged; shock absorber
preloading incorrectly set
Contact an Authorised Service
Centre.
Contact an Authorised Service
Centre.
Clean with water and shampoo and
impregnate with petrol and specific
oil (section «Removing the air
filter»)
Contact an Authorised Service
Centre.
Contact an Authorised Service
Centre.
67