BRP 2995 Johnson - Test Procedures

Oil Pressure Test
Check the engine oil level.
Remove COl stopper plate by sliding it upward.
Remove
COl unit from electrical parts holder.
Remove the two screws securing ignition coil.
1. Stopper plate
004476
2. COl unit
3. Ignition coil screws
Loosen screw and disconnect blue lead wire from
oil pressure switch.
Remove the
oil pressure switch.
1. Blue lead wire
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2. Oil pressure switch
POWERHEAD
TEST PROCEDURES
Install Oil Pressure Test Adapter, PIN 350930, and
Pressure Gauge, PIN 5000902, into oil pressure
switch
hole.
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Place COl unit in position and install ignition coil.
Connect an engine tachometer.
Start and run outboard
until it achieves operating
temperature.
After warm up, shift into forward gear and
increase speed to
3000 RPM. Pressure should
read 28 to 71 psi (200 to 500 kPa) at 3000 RPM.
IMPORTANT: The values shown are guidelines
only, not absolute service limits.
If oil
pressure is lower or higher than specification,
consider the
following causes:
Low oil pressure
• Clogged oil filter
•
Leakage from oil passages
• Defective oil pump
• Defective oil pressure regulator
•
Damaged o-ring
High oil pressure
• Using an engine oil of too high viscosity
• Clogged oil passage
• Clogged oil pressure regulator
After testing, install the oil pressure switch.
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