Oil Pressure - HYOSUNG TE 450 Service Manual

2-25 PERIODIC MAINTENANCE

OIL PRESSURE

Check the engine oil pressure periodically. This will give a good indication of the condition of the moving parts.
Oil pressure
If the oil pressure is lower or higher than the specification, the following causes may be considered.
▣ ▣ LOW OIL PRESSURE
● Clogged oil filter
● Oil leakage from the oil passage
● Damaged O-ring
● Defective oil pump
● Combination of above items
▣ ▣ HIGH OIL PRESSURE
● Engine oil viscosity is too high
● Clogged oil passage
● Combination of the above items
▣ ▣ OIL PRESSURE TEST PROCEDURE
Check the oil pressure in the following manner.
● Remove the oil check plug ①
adapter of oil pressure gauge at the removed
position.
● Connect an engine tachometer.
● Warm up the engine as follows :
Summer : 10 min. at 2,000 rpm.
Winter : 20 min. at 2,000 rpm.
● After warming up the engine, increase the engine
speed to 3,000 rpm. (with the engine tachometer),
and read the oil pressure gauge.
Engine tachometer : 09900-26006
Oil pressure gauge : 09915-74511
Oil pressure gauge adaptor
Engine oil check plug
Standard
1.0 ~ 3.0 ㎏ / ㎠
(at 60 ℃∙3,000 rpm)
and install the
: 09915-74532
: 18 N∙ ∙ m (1.8 kgf∙ ∙ m)
①