Checking The Front Fork Legs (For Yzf-R1); Assembling The Front Fork Legs (For Yzf-R1) - Yamaha R1 Series 2015 Service Manual

EAS30208
CHECKING THE FRONT FORK LEGS (for
YZF-R1)
The following procedure applies to both of the
front fork legs.
1. Check:
• Inner tube "1"
• Outer tube "2"
Bends/damage/scratches
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
Fork spring free length
YZF-R1 217.5 mm (8.56 in)
3. Check:
• Damper rod "1"
1
Replace.
Replace.
FRONT FORK (for YZF-R1)
Damage/wear
Obstruction
es with compressed air.
ECA19110
NOTICE
• The front fork leg has a very sophisticated
internal construction, which are particular-
ly sensitive to foreign material.
• When disassembling and assembling the
front fork leg, do not allow any foreign ma-
terial to enter the front fork.
4. Check:
• Cap bolt "1"
• Cap bolt collar projection "2"
Cracks/damage
2
EAS30209
ASSEMBLING THE FRONT FORK LEGS (for
YZF-R1)
The following procedure applies to both of the
front fork legs.
EWA17090
WARNING
• Note that the amount of the fork oil is differ-
ent in the left and right front fork legs. Make
sure to fill each of the left and right front
fork legs with the specified amount of the
fork oil.
• If both front fork legs are not filled with the
specified amount of the fork oil, it may
cause poor handling and a loss of stability.
TIP
• When assembling the front fork leg, be sure to
4-83
Replace.
Blow out all of the oil passag-
Replace.
1