Checking The Front Fork Legs; Assembling The Front Fork Legs - Yamaha YZF-R15 Service Manual

NOTE:
While holding the damper rod with the damper
rod holder "2" and T-handle "3", loosen the
damper rod bolt.
T-Handle
YSST-713

CHECKING THE FRONT FORK LEGS

The following procedure applies to both of the
front fork legs.
1. Check:
• Inner tube
• Outer tube
Bends/damage/scratches → Replace.
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
384.8mm
3. Check:
• Damper rod
Damage/wear → Replace.
Obstruction → Blow out all of the oil passag-
es with compressed air.
• Oil flow stopper
Damage → Replace.
CAUTION:
When disassembling and assembling the
front fork leg, do not allow any foreign mate-
rial to enter the front fork.

ASSEMBLING THE FRONT FORK LEGS

The following procedure applies to both of the
front fork legs.
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.
NOTE:
• When assembling the front fork leg, be sure to
replace the following parts:
– Outer tube bushing
– Oil seal
– Dust seal
– Clip
• Before assembling the front fork leg, make
sure all of the components are clean.
1. Install:
• Damper rod
CAUTION:
Allow the damper rod to slide slowly down
the inner tube until it protrudes from the bot-
tom of the inner tube. Be careful not to dam-
age the inner tube.
2. Lubricate:
• Inner tube's outer surface
4-45
FRONT FORK