PIAGGIO X8 400 i.e. Owner's Manual page 50

CAUTION
THE USE OF TYRES OTHER THAN THOSE INDICATED MAY CAUSE INSTABIL-
ITY. IT IS HIGHLY ADVISABLE TO USE ORIGINAL PIAGGIO TYRES.
CAUTION
TYRE PRESSURE SHOULD BE CHECKED WHEN TYRES ARE COLD.INCOR-
RECT TYRE PRESSURE CAUSES ABNORMAL TYRE WEAR AND MAKES RID-
ING DANGEROUS.
TYRES MUST BE REPLACED WHEN THE TREAD REACHES THE WEAR LIMITS
SET FORTH BY LAW.
Characteristic
Front tyre pressure
2.2 bar
Rear tyre pressure
2.4 bar
Rear wheel pressure (rider and passenger):
2.5 bar
50