Suzuki GN125F, Service Manual

Page: 20 / 148

P E R I O D I C M A I N T E N A N C E
2-8
OIL SUMP FILTER
Clean every 10 000 km
Clean the sump filter to remove any foreign matter that may be
collected there. Inspect the screen to insure that it is free of
any sign of damage.
CLUTCH
Inspect initial 1 000 km and every 5 000 km.
4mm 4mm
The clutch play should be 4 mm as measured at the clutch
lever holder before the clutch begins to disengage. If the play
in the clutch is incorrect, adjust it in the following way:
Loosen the lock nut and screw the adjuster on the
clutch lever holder all the way in.
Loosen clutch cable adjuster lock nut
.
Turn the clutch cable adjuster in or out to acquire the
specified play.
Use the adjuster
for minor adjustment.
Tighten lock nut while holding the adjuster in position.
CARBURETOR
Inspect initial 1 000 km and every 5 000 km
IDLING ADJUSTMENT
Make this adjustment when the engine is hot.
Excessive clutch cable play makes clutch dragging
easily lead to the damage or wear of the clutch and gear
shifting mechanism.
Stable carburetor performance is the basis requirement for
engine. The carburetor is pre-set at the factory for the best
carbureting. Do not attempt to alter its setting. There are two
items of adjustment, engine idle speed and throttle cable play.
Start up the motorcycle, maintain the low engine speed until
the motorcycle is preheated fully.
After preheating
set its speed at anywhere between 1 400
and 1 600 r/min by turning adjust screw.
,
Engine idle speed: 1500±100 r/min
CAUTION
1
2
3
4
2
CAUTION