1E-3 Engine Lubrication System:
7) After warm up, increase the engine speed to 3 000 r/
min (Observe the tachometer), and read the oil
pressure gauge.
If the oil pressure is lower or higher than the
specification, the following causes may be
considered.
Oil pressure specification
140 – 180 kPa (1.4 – 1.8 kgf/cm
2
, 20 – 26 psi) at 3
000 r/min, Oil temp. at 60 °C (140 °F)
8) Stop the engine and remove the oil pressure gauge
and attachment.
9) Reinstall the main oil gallery plug (1) and tighten it to
the specified torque.
CAUTION
!
Use a new gasket to prevent oil leakage.
Tightening torque
Main oil gallery plug (a): 18 N·m (1.8 kgf-m, 13.0
lb-ft)
10) Check the engine oil level. Refer to “Engine Oil and
Filter Replacement in Section 0B (Page 0B-10)”.
11) Reinstall the removed parts.
Repair Instructions
Engine Oil and Filter Replacement
B831G21506001
Refer to “Engine Oil and Filter Replacement in Section
0B (Page 0B-10)”.
Engine Oil Level Inspection
B831G21506002
Refer to “Engine Oil and Filter Replacement in Section
0B (Page 0B-10)”.
Oil Sump Filter Removal and Installation
B831G21506003
Removal
1) Remove the engine assembly from the frame. Refer
to “Engine Assembly Removal in Section 1D
(Page 1D-13)”.
2) Disassemble the engine top side. Refer to “Engine
Top Side Disassembly in Section 1D (Page 1D-17)”.
3) Separate the left and right crankcase. Refer to
“Engine Bottom Side Disassembly in Section 1D
(Page 1D-45)”.
4) Remove the oil sump filter (1).
High oil pressure Low oil pressure
• Engine oil viscosity is too
high.
• Clogged oil passage.
• Combination of the
above items.
• Clogged oil filter.
• Oil leakage from the oil
passage.
• Damaged O-ring.
• Defective oil pump.
• Combination of the
above items.
(a)
1
I831G1150004-02
1
I831G1150005-01
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