Oil Pressure Check; Oil Pressure Test Procedure - Suzuki drz 400E Service Manual

2-28 PERIODIC MAINTENANCE

OIL PRESSURE CHECK

Check the engine oil pressure periodically. This will give a good indication of the condition of the moving
parts.
Oil pressure:
Above 40 kPa (0.4 kgf/cm
Below 140 kPa (1.4 kgf/cm
Low or high oil pressure can indicate any of the following conditions:
LOW OIL PRESSURE
Clogged oil filter
Oil leakage from the oil passage
Damaged O-ring
Defective oil pump
Combination of the above items
HIGH OIL PRESSURE
Engine oil viscosity is too high
Clogged oil passage
Combination of the above items

OIL PRESSURE TEST PROCEDURE

Connect a tachometer to the high-tension cord.
Remove the main oil gallery plug 1.
Install the oil pressure gauge and adaptor into the main oil
gallery.
Warm up the engine as follows:
Summer: 10 minutes at 2 000 r/min
Winter: 20 minutes at 2 000 r/min
After warming up the engine, increase the engine speed to
3 000 r/min (check the tachometer), and then read the oil pres-
sure gauge.
09915-74510: Oil pressure gauge
09915-70610: Adapter
2
, 5.7 psi)
at 3 000 r/min, oil temp at 60°C
2 , 19.9 psi)
3 1