Yamaha 2002 YB50, Service Manual

Page: 43 / 161

INSP
ADJ
INSPECTION OF TYRES
3-15
Steps for tightening the steering nut:
1. Tighten the lower ring to 3.8 m • kg.
2. Loosen the lower ring nut 1/2 of a turn
and tighten to 0.65 m • kg.
3. Check the steering for smooth operation.
4. Install rubber washer
.
5. Install central ring nut and hand tighten
untill the lower and central ring nuts slots
allignet.
6. Install the lock washer .
7. Supporting the lower and central ring nuts,
install and thigten the upper ring nut to
7.5 m • kg.
INSPECTION OF TYRES
s s
WARNING
• Do not try to use tubeless tyres in a wheel
designed only for inner tube tyres. This
may cause damage to the tyre and perso-
nal injury due to a puncture.
1. Measure:
• Air pressure
Outside specified value Adjust
2. Inspect:
• Tyre surface
Worn/Damaged Change
Thread depth
Side wall
Wear indicator
Wheel Tyre
Tube type Only imer tube type
tubeless type With or without tube
type
Basic weight:
With oil sump and fuel
tank full 87 kg
Maximum load* 155
Cold tyre front Rear
pressure 1.75kg/cm
2
2.00 kg/cm
2
Minimum depth of thread of tyres
0.8 mm