Engine Oil; Gear Oil; Fuel Line; Rigging - TOHATSU MFS 25D Service Manual

Service Information

3) Engine Oil

Engine oil is removed before shipment to
prevent leakage.
Fill the engine with engine oil.
4 Stroke Engine Oil:
OIL
1500 mL (1.6 US.qt)
1700 mL (1.8 US.qt.)
Use oil level gauge to check oil quantity.

4) Gear Oil

Check the quantity of gear oil.
Gear Oil:
OIL
460 mL (16 US fl.oz.)
Fill with gear oil until some of the oil spills out of
the plug hole when the upper oil plug is removed.

5) Fuel Line

Since this is a 4-stroke engine model, do
not use fuel mixed with engine oil. Use of
fuel mixed with engine oil will cause engine
trouble.
Check that the fuel tank contains a sufficient amount of
gasoline and check the connection of the fuel line to see if
there are any leaks.

6) Rigging

Check that the clamp bracket is fixed securely to the
transom. Check the location of the anti-ventilation plate
relative to the boat's bottom, and, if necessary, adjust
it to prevent engine overheating and a decrease in the
propulsion force.
Conduct a test run to determine the best installation
height.
Anti-Ventilation Plate Position Standard Value a:
Located 0 to 25 mm (0 to 1.0 in) below boat's
bottom
1-10
CAUTION
[without oil filter replacement]
[oil filter replaced]
CAUTION
a Upper Limit
b Lower Limit
a
4st 25/30 2022