Fuel Line; Fuel Strainer; Engine Oil - HYOSUNG GF125 Service Manual

FUEL LINE

Inspect Initial 1,000km and Every 5,000km 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.

FUEL STRAINER

Change Initial 1,000km Every 10,000km
If the fuel strainer is dirty with sediment, fuel will not flow
smoothly and loss in engine power may result.
Clean the strainer cup with non-flammable cleaning sol-
vent.

ENGINE OIL

Change Initial 1,000km Every 5,000km
The oil should be changed with the engine hot.
The procedure is follows:
● Support the motorcycle by center 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 hold about 950ml of oil.
Use 10W/40 viscosity of oil under API classfication of
SF or SG.
● Start up the engine and allow it to run for several
seconds at idling speed.
● Turn off the engine and wait about one minute, then
check the oil level through the inspection window ③. If
the level is below mark "F" , add oil to that level.
PERIODIC MAINTENANCE AND TUNE-UP PROCEDURES 2-8
①
②
③