
Section 07 LUBRIFICATION SYSTEM
Sub-Section 02 (OIL INJECTION PUMP)
07-02-6
Bench Test
The oil pump must be removed out of watercraft.
Connect a hose filled with injection oil to main line
fitting. Insert other hose end in an injection oil
container. Using a counterclockwise (reverse po-
sition) rotating drill rotate pump shaft. Oil must
drip from fittings in parts of rotary valve cover
while holding lever in a fully open position.
TYPICAL
1. Supply oil line to an oil container
2. Hold lever in fully open position
3. Counterclockwise (reverse) rotating drill
4. Oil must drip here
For an accurate test, each port should be checked
separately to ensure equal delivery on both ports.
To obtain a precise result of the oil pump delivery
rate, rotate it counterclockwise at 1500 RPM for a
total time of 30 seconds.
NOTE : To ensure accuracy of test, oil lines
should be completely filled before starting
test.
Compare the results with the chart below. If oil
pump is out of specification, replace it.
NOTE : Test can also be done at 3000 RPM.
Double quantities in chart.
F01G02A
1
2
3
4
Engine 587 717 787
Oil Pump
Flow Rate at
1500 RPM
(30 seconds)
0.83 - 1.00 mL
(each port)
1.24 - 1.51 mL
(each port)
0.71 - 0.87ml
(each port)
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