Honda CBR 125RW 2007 Owner's Manual page 181

Specifications
Chassis & Susgension
caster 25°06'
trail 88.8 mm (3.50 in)
tire size, front 80/90-17M/C 44P
IRC NR73s
tire size, rear 100/80-17M/C 52P
- IRC NR73$
tire type bias-ply, tubeless
tire pressure, front 200 kPa (29 psi)
(cold)
tire pressure, rear 225 kPa (33 psi)
(cold)
Technical Information 171