Suzuki DF 40 - OIL PRESSURE

PERIODIC MAINTENANCE 2-26
If oil pressure is lower or higher than specification, the following
causes may be considered.
(See page 6-66 for oil passage locations)
Low oil pressure
• Clogged oil filter
• Leakage from oil passages
• Defective oil pump
• Defective oil pressure
regulator
• Damage O-ring
• Combination of above items.
OIL PRESSURE
Oil pressure ( at normal operating temp. ):
295 - 373 kPa (3.0 - 3.8 kg/cm
2
, 42 - 54 psi.)
at 4000 r / min.
NOTE:
The figure shown above is a guideline only, not an absolute
service limit.
High oil pressure
• Using an engine oil of too
high viscosity
• Clogged oil passage
• Clogged oil pressure regu-
lator
• Combination of above items
TEST PROCEDURE
(1) Check the engine oil level.
(2) Remove the PORT side lower cover.
(3) Remove the plug1 for oil pressure service port.
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(4) Install the oil pressure gauge in place of service port.
09915-77310 : Oil pressure gauge
09915-78211 : Oil pressure gauge adapter
1
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