Honda NSS250A Owner's Manual page 143

Tires
You should replace the tires with tires of
the same size, load range, and speed rating
as the originals.
Installing improper tires on your
scooter can affect handling and
stability. This can cause a crash in
which you can be seriously hurt or
killed.
Always use the size and type of
tires recommended in this owner's
manual.
134
Servicing Your Honda
The recommended tires for your scooter
are:
110/90-13 M/C 56L
front
BRIDGESTONE
HOOP B03F
DUNLOP D305FG
130/70-12 62L
rear
BRIDGESTONE
HOOP B02
DUNLOP D305
bias-ply, tubeless
type
Whenever you replace a tire, remember:
Have the wheel balanced after the tire is
installed.
Have the tire replaced by your Honda
dealer if possible.