Oil Pressure Check - HYOSUNG RT 125 D Service Manual

OIL PRESSURE CHECK

Check the engine oil pressure periodically.
This will give a good indication of the condition of the moving parts.
Oil pressure
If the engine 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 way
● Damaged O-ring
● Defective oil pump
● Combination of the above items
■ ■ HIGH OIL PRESSURE
● Engine oil viscosity is too high
● Clogged oil passage way
● Combination of the above items
■ ■ OIL PRESSURE TEST PROCEDURE
Check the engine oil pressure in the following manner :
● Remove the oil check plug ① and install the oil
pressure gauge and adapter into the oil check plug
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, 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
Standard
0.4 ~ 0.6 kgf/㎠
(at 60 ℃·3,000 rpm)
①
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PERIODIC MAINTENANCE 2-20