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120 Adjustments for Competition
Front Suspension Adjustments
15. Drain the extra oil from the oil holes (12) of the
fork damper oil chamber (5).
By doing above procedure, about 0.2 US oz (5 cm
3
)
of fork oil will be drained from the fork damper oil
chamber through the oil hole and cause 8.2 US oz
(243 cm
3
) of fork oil to be left in the fork damper oil
chamber.
Pour the drained oil into a suitable container and
dispose of it in an approved manner (page 146).
NOTICE
Improper disposal of drained fluids is harmful to
the environment.
1. Drain the fork oil from the fork assembly (1)
by placing it upside down.
(About 0.2 US oz (5.4 cm
3
) of fork oil will be
left in the outer tube/slider when it is left
inverted for about 20 minutes at 20 °C/68 °F)
(1) fork assembly
To properly dispose of drained fluids, refer to You
& the Environment on page 146.
NOTICE
Improper disposal of drained fluids is harmful to
the environment.
2. Tighten the fork center bolt lock nut (2) fully
and measure the thread length (A) as shown.
Standard: 0.43 – 0.51 in (11 – 13 mm)
Wipe the oil completely off the fork damper.
(5) fork damper oil chamber (12) oil holes
(12)
(5)
Fork Assembly
(1)
Amount of fork oil left in the fork
(without damper and spring) unit: cm
3
minute
°C/°F
5 1020355585145
30/86 6.5 5.7 5.2 4.5 4.1 3.7 3.3
20/68 6.7 6.2 5.4 4.7 4.4 3.8 3.5
10/50 7.3 6.4 5.6 5 4.6 4.2 3.8
0/32 8.6 8.2 7.9 7.6 7.3 6.8 6
(2) fork center bolt lock nut (A) thread length
Inverted time
30°C/86°F
Amount of fork oil
(minutes)
20°C/68°F
10°C/50°F
0°C/32°F
(2)
(A)
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