Replacement Of Engine Oil - TOHATSU MFS25 Service Manual

Maintenance

5) Replacement of Engine Oil

1. Oil Level
2. Oil Specification
Recommended Engine Oil :
4 Stroke Engine Oil
4st
API : SE, SF, SG, SH, SJ, SL
SAE : 10W-30, 10W-40
NMMA : FC-W Certified 10W-30
Quantity of Engine Oil :
When oil filter is replaced: 1.8L
When oil filter is not replaced: 1.6L
Use oil with viscosity that is suited to ambient air
temperature of the operating region.
3. Oil Replacement Procedure
Use of engine containing dirt or water can significantly
shorten the lives of rotating and sliding parts of engine.
Oil replacement procedure:
1. Stop engine, tilt-up outboard motor, and lock with tilt
stopper 1.
2. Incline outboard motor so that drain bolt 2 is directed
downward.
3. Remove top cowl and then oil filler cap 3.
4. Place drain oil pan below drain bolt 2.
5. Remove drain bolt 2 to drain oil.
6. Tighten drain bolt 2 .
Note: Apply engine oil to the washer (gasket) of drain bolt 2.
7. Disengage tilt lock and tilt down outboard motor.
8. Pour new engine oil into oil inlet 4 until oil level
reaches upper limit mark of oil level gauge 5.
9. Attach oil filler cap 3 and oil level gauge 5, start and
run engine for 5 minutes to warm up.
10. Stop engine and check oil level and oil leak after 5
minutes.
3-6
Oil Level Gauge
Quantity of Oil for Full Replacement
When oil filter
is replaced
Upper Limit 1.8L
Lower Limit 1.5L
When oil filter
is not replaced
1.6L
1.3L
10W – 40
10W – 30
-20 -10 0 10 20
-4 +14 +32 +50 +68 +86
Ambient air temperature
3
3
4
°C
30 40
°F
+104
1
2
5
25/30 2006