Air Bleeding From Clutch Fluid Circuit; Clutch Fluid Replacement - Suzuki GSF1250 Service Manual

Air Bleeding from Clutch Fluid Circuit

CAUTION
!
Handle brake fluid with care: the fluid reacts
chemically with paint, plastics, rubber
materials, etc.
The clutch fluid circuit may be purged of air in the
following manner:
1) Keep the motorcycle upright and place the
handlebars straight.
2) Fill up the master cylinder reservoir to the upper end
of the inspection window. Replace the reservoir cap
to prevent entry of dirt.
3) Remove the engine sprocket outer cover (1).
4) Attach a pipe to the bleeder valve and insert the free
end of the pipe into a receptacle.
5) Squeeze and release the clutch lever several times
in rapid succession, and squeeze the lever fully
without releasing it.
6) Loosen the bleeder valve by turning it a quarter of a
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7) Close the valve, pump and squeeze the lever, and
8) Repeat this process until the fluid flowing into the
9) Close the bleeder valve and disconnect the pipe.
10) Fill the reservoir with brake fluid to the upper end of
11) Reinstall the removed parts.
1

Clutch Fluid Replacement

1) Place the motorcycle on a level surface and keep the
2) Remove the clutch fluid reservoir cap and
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3) Suck up the old clutch fluid as much as possible.
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4) Fill the reservoir with new clutch fluid.
5) Remove the engine sprocket outer cover (1).
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turn so that the fluid runs into the receptacle; this will
remove the tension of the clutch lever causing it to
touch the handlebar grip.
open the valve.
receptacle no longer contains air bubbles.
Tightening torque
Air bleeder valve (Clutch): 6 N·m (0.6 kgf-m, 4.5
lb-ft)
the inspection window.
CAUTION
!
Handle brake fluid with care: the fluid reacts
chemically with paint, plastic, rubber
materials, etc.
handlebars straight.
diaphragm.
BF: Brake fluid (DOT 4)
Clutch: 5C-4
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1
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