Yamaha YZFR1Y(C) 2009 Service Manual page 216

EWA13650
WARNING
Do not attempt to straighten a bent inner
tube as this may dangerously weaken it.
2. Measure:
• Spring free length "a"
Out of specification → Replace.
Fork spring free length
271.5 mm (10.69 in)
Limit
266.1 mm (10.48 in)
3. Check:
• Damper rod "1"
Damage/wear → Replace.
Obstruction → Blow out all of the oil pas-
sages with compressed air.
ECA14200
• The front fork leg has a built-in damper
adjusting rod and a very sophisticated
internal construction, which are particu-
larly sensitive to foreign material.
• When disassembling and assembling the
front fork leg, do not allow any foreign
material to enter the front fork.
4. Check:
• Cap bolt O-ring "1"
Damage/wear → Replace.
• Cap bolt collar projections "2"
Cracks/damage → Replace.
EAS14B1008
ASSEMBLING THE FRONT FORK LEGS
The following procedure applies to both of the
front fork legs.
EWA14B1010
WARNING
• Make sure the oil levels in both front fork
legs are equal.
• Uneven oil levels can result in poor han-
dling and a loss of stability.
TIP
• When assembling the front fork leg, be sure
to replace the following parts:
- Oil seal
- Dust seal
- O-ring
• Before assembling the front fork leg, make
sure all of the components are clean.
1. Install:
• Damper rod assembly "1"
• Inner tube "2"
ECA14B1006
Allow the damper rod assembly to slide
slowly down the inner tube "2" until it pro-
trudes from the bottom of the inner tube.
Be careful not to damage the inner tube.
4-65
FRONT FORK