Yamaha YZ125N1 Motorcycle User Manual


 
TUN
7-14
SETTING
EC72N000
Drive and driven sprockets setting parts
EC721002
Tire pressure
Tire pressure should be adjust to suit the road
surface condition of the circuit.
9Under a rainy, muddy, sandy, or slippery condi-
tion, the tire pressure should be lower for a larg-
er area of contact with the road surface.
9Under a stony or hard road condition, the tire
pressure should be higher to prevent a flat tire.
Part name Size Part number
Drive sprocket
11
12T 9383A-12017
(STD) 13T 9383A-13031
14T 9383A-14054
Driven sprocket
22
47T
5ET-25447-00
(STD) 48T
5ET-25448-00
49T
5ET-25449-00
50T
5ET-25450-00
51T
5ET-25451-00
52T
5ET-25452-00
Standard tire pressure:
100 kPa (1.0 kg/cm
2
, 15 psi)
Extent of adjustment:
60~80 kPa
(0.6~0.8 kg/cm
2
, 9.0~12 psi)
Extent of adjustment:
100~120 kPa
(1.0~1.2 kg/cm
2
, 15~18 psi)
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