Honda NSS250 2007 Owner's Manual page 233

Quick Reference
Tires
Tire Pressure
(cold)
Spark Plugs
Fuses
Quick Reference
110/90-13M/C 56L
Front:
BRIDGESTONE HOOP B03F
DUNLOP D305FG
Rear: 130/70-12 62L
BRIDGESTONE HOOP B02
DUNLOP D305
Type: bias-ply, tubeless
Front: 25 psi (175 kPa , 1.75 kgf/cm )
29 psi (200 kPa , 2.00 kgf/cm )
Rear:
with less than 200 lbs (90 kg) of added weight
36 psi (250 kPa , 2.50 kgf/cm )
with more than 200 lbs (90 kg) of added weight
DPR7EA-9 (NGK)
standard:
cold climate: DPR6EA-9 (NGK)
high speed riding:
30A
main:
other: 10A, 15A, 20A, 30A
10A, 15A ...NSS250/S
X22EPR-U9 (DENSO)
or
or
DPR8EA-9 (NGK)
X24EPR-U9 (DENSO)
...NSS250A/AS
X20EPR-U9 (DENSO)
or