Fuel Pump - HYOSUNG Prima Service Manual

4-9 FUEL SYSTEM
CHECKING OIL PUMP
Use the special tool, to check the pump for capacity by
measuring the amount of oil the pump draws during the
specified interval.
● Remove the left side cover.
● Have the CCI Oil gauge filled with HYOSUNG HYPOL
OIL and connect it to the suction side of the pump.
● Run the engine at 3,000 rpm.
● Holding engine speed at the same 3,000 rpm, let the
pump draw for 5 minutes. For this operation, the
reading taken on the device should be 6 ㎖ ..
CCI Oil gauge : 09900 - 21602
Engine oil
discharge amount
CAUTION
During this inspection, strictly follow the follow-
ing points.
∙The machine should be rested on the center
stand.
∙Do not touch the rear wheel while running the
engine.

FUEL PUMP

REPLACE
● Remove the rear shock absorber, and support the
center stand by a 70 mm wooden block.
● Open the seat, and remove the trunk by loosing the
four nuts.
● Remove the one lock nut of fuel pump.
① Disconnect the inlet hose.
CAUTION
Stop up an entrance of the hose, to prevent that
the fuel leak out.
② Disconnect the vacuum hose and outlet hose.
● Remount in the reverse of removal after replacing the
fuel pump.
1.0 ~ 1.2 ㎖
(at 3,000 rpm for 5 minutes)