Upper End Components Disassembly - HYOSUNG RX 125 Service Manual

ENGINE REMOUNTING
The engine can be mounted in the reverse order of
removal.
● Temporarily fasten the engine mounting bracket
before inserting the engine mounting bolts.
CAUTION
The engine mounting nuts are self-lock nuts.
Once the nut has been removed, it is no longer
of any use. Be sure to use new nuts and tighten
them to the specified torque.
Engine mounting bolt (M : 17 mm) : 48~72 N∙m
Engine mounting bolt (The others) : 22~33 N∙m
Exhaust pipe nuts : 18~22 N∙m (1.8~2.2 kg∙m)
Muffler clamp bolts : 9~16 N∙m (0.9~1.6 kg∙m)
● Pour 1,400 ㎖ of engine oil SAE 10 W/40 graded SF
or SG, SH into the engine after overhauling the
engine.
● Start up the engine and allow it run for several
seconds at idle speed. About one minute after
stopping the engine, check the oil level.
If the level is below the "top limit"mark, add the
oil until the level reaches the "top limit"mark
Installing position for clutch release
arm
● Align the release arm slit surface with the notch
mark on the release cam shaft.
UPPER END COMPONENTS
DISASSEMBLY
CYLINDER HEAD COVER-CAMSHAFT
● Bring the piston to top dead center.
CAUTION
When removing the cylinder head cover, the pis-
ton must be at top dead center on compression
stroke.
(4.8~7.2 kg∙m)
(2.2~3.3 kg∙m)
● After remounting the engine, following adjust-
ments are necessary.
� Throttle cable
� Clutch cable
� Drive chain
� Rear brake pedal
� Idling speed
Notch Mark
Slit
ENGINE 3-6
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