Checking The Front Fork; Adjusting The Front Fork Legs - Yamaha YZF-R6(V) 2006 Service Manual

d. Hold the spring gauge at a 90° angle from the
handlebar, pull the spring gauge, and then
record the measurement when the handlebar
starts to run.
Steering head tension
200–500 g
e. Repeat the above procedure on the opposite
handlebar.
f. If the steering head tension is out of specifica-
tion (both handlebars should be within speci-
fication), remove the upper bracket and
loosen or tighten the lower ring nut.
g. Reinstall the upper bracket and measure the
steering head tension again as described
above.
h. Repeat the above procedure until the steer-
ing head tension is within specification.
i. Grasp the bottom of the front fork legs and
gently rock the front fork.
Binding/looseness → Adjust the steering
head.
L LLL L LLL L L LLL L
EAS21530

CHECKING THE FRONT FORK

1. Stand the vehicle on a level surface.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
2. Check:
• Inner tube "1"
Damage/scratches → Replace.
• Oil seal "2"
Oil leakage → Replace.
L LLL L L LLL L L LLL L
3. Hold the vehicle upright and apply the front
brake.
4. Check:
• Front fork operation
Push down hard on the handlebar several
times and check if the front fork rebounds
smoothly.
Rough movement → Repair.
Refer to "FRONT FORK" on page 4-44.
EAS21580

ADJUSTING THE FRONT FORK LEGS

The following procedure applies to both of the
front fork legs.
LLL
EW2C01006
WARNING
• Always adjust both front fork legs evenly.
Uneven adjustment can result in poor han-
dling and loss of stability.
• Securely support the vehicle so that there
is no danger of it falling over.
Spring preload
ECA13570
CAUTION:
• Grooves are provided to indicate the ad-
justment position.
• Never go beyond the maximum or mini-
mum adjustment positions.
1. Adjust:
• Spring preload
M MMM M MMM M
a. Turn the adjusting bolt "1" in direction "a" or
"b".
3-28
CHASSIS
M MMM M M MMM M M MMM M
2
1
M MMM M MMM