Fuel Line; Engine Oil - HYOSUNG RX 125 Service Manual

2-7 PERIODIC MAINTENANCE
standard plug is apt to get wet, a hotter plug
should be used. If the standard plug is apt to
overheat (porcelain is whitish in appearance),
replace with a colder one.
TYPE SPARK PLUG SPECIFICATION
Hot type
Standard
Cold type

FUEL LINE

NOTE:
Inspect lnitial 1,000 km and Every 4,000 km,
Replace every four years.
Inspect the fuel line and connections for damage
and fuel leakage.
If any defects are found, the fuel line must be
replaced.

ENGINE OIL

NOTE:
Change lnitial 1,000 km and Every 4,000 km.
The oil should be changed with the engine hot.
The procedure is as follows :
● Support the motorcycle by side stand.
● Drain the oil by removing the drain plug ① and
filler cap ②.
● Fit drain plug securely and add fresh oil through
the filler. The engine will be held about 950
oil.
Use SAE 10W/40 viscosity of oil under API
classification of SF or SG, SH.
● Start up the engine and allow it to run for several
seconds at idling speed.
● Shut down the engine and wait about one
minute. Then check the oil level in the oil level
gauge. The motorcycle must be in a level.
Upright position for accurate measurement. If
the level is below the top limit mark, add oil
until the level reaches the top limit mark.
N.G.K C7EH-9
N.G.K C8EH-9
N.G.K C9EH-9
㎖
of
0.8~0.9mm
①
②