KYMCO ZX Service Manual page 41

3
. INSPECTION/ADJUSTMENT
Clip
Oil Filter
Clean the oil filter screen with compressed air.
Install the oil filter in the reverse order of
removal and fill the oil tank with specified oil
up to the proper level.
Bleed air from the oil pump and oil lines.
*
• Connect the oil tubes securely.
• Install the tube clip at the oil tank side
and also install the clip to the lower oil
tube that goes to the oil pump.
• Check for oil leaks.
«Oil Pump Condition»
*
Adjust oil pump control cable after the
throttle grip free play is adjusted.
Open the throttle valve fully and check that the
index mark on the pump body aligns with the
aligning mark on the oil pump control lever.
Reference tip alignment within 1mm of index
mark on open side is acceptable.
Start and idle the engine, then slowly open the
throttle to increase engine rpm and check the
operation of the oil pump control lever.
If adjustment is necessary, adjust the oil pump
control cable by loosening the control cable
lock nut and turning the adjusting nut.
After adjustment, tighten the lock nut.
*
Reference tip alignment within 1mm of
index mark on open side is acceptable.
However, the aligning mark on the control
lever must never be on the closed side of
the index mark, otherwise engine damage
will occur because of insufficient
lubrication.
If the oil pump is not synchronized properly, the
following will occur:
• Excessive white smoke or hard starting due to
pump control lever excessively open
• Seized piston due to pump control lever
insufficiently open
Filter Screen
Lock Nut
Control Lever Aligning Mark
Adjusting Nut
3-10