Suzuki GN125F, Service Manual

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P E R I O D I C M A I N T E N A N C E
2-11
BRAKES
Inspect initially at 1 000 km and every 5 000 km.
Replace hose every 4 years.
Change fluid every 2 years.
FRONT BRAKE(DISC TYPE)
Brake fluid level
Specification and classification: DOT 3 or DOT 4
The brake system of this motorcycle is filled with a
glycol-based brake fluid. Do not use or mix different
types of fluid such as silicone-based or pertroieum-
based. Do not use any brake fluid taken from old, used
or unsealed containers. Never re-use brake fluid left
over from the last servicing or stored for a long period.
Brake fluid is harmful or fatal if swallowed, and harmful
if it comes in contact with skin or eyes. If brake fluid is
swallowed, immediately contact a poison control
center or a physician. If brake fluid gets in eyes, flush
eyes with water and seek medical attention. Do not
wash the master cylinder with high pressure water.
FRONT BRAKE DISC AND FRONT BRAKE PADS
Check the thickness of front brake disc, replace the front
brake disc with new one if the thickness is less than 3.5mm.
The extent of brake pad wear can be checked by observing the
grooved limit line
on the pad. When the wear exceeds the
grooved limit line, replace the pads with new ones.
Do not drive the motorcycle immediately after the
replacement of the new brake disc or brake pads.
Squeeze and release the brake lever several times to
make the mating of
brake disc and brake pads
completely and circulation of brake fluid stably. The
brake distance is longer than the original distance
after the replacement of new brake disc or brake pads.
After 300 km of driving, the motorcycle will get the
best break performance. Before that, Keeping enough
brake distance is necessary during the driving.
Support the motorcycle body on the center stand, and place
the handlebars straight.
Check the brake fluid level by observing the lower level line
on the brake fluid reservoir.
When the level is below the lower level line, replenish with
brake fluid that meets the following specification.
UPPER
LOWER
1
2
WARNING
WARNING
CAUTION