Checking Engine Oil; Adding Engine Oil; Engine Oil Capacity (Typical) - Yanmar 4TNV98 Service Manual

Checking Engine Oil

1. Make sure the engine is level.
2. Remove the dipstick (Figure 4-5, (1)) and wipe it
with clean cloth.
3. Fully reinsert the dipstick.
4. Remove the dipstick. The oil level should be
between the upper (Figure 4-5, (2)) and lower
(Figure 4-5, (3)) lines on the dipstick.
5. Fully reinsert the dipstick.
Figure 4-5
4TNV98 & 4TNE98 Diesel Engine

Adding Engine Oil

1. Make sure the engine is level.
2. Remove the oil cap (Figure 4-5, (4)).
3. Add the indicated amount of engine oil at the top
or the side engine oil filler port (Figure 4-5, (5)).
4. Wait three minutes and check the oil level.
5. Add more oil if necessary.
6. Reinstall the oil cap (Figure 4-5, (4)) and hand-
tighten. Over-tightening may damage the cap.

Engine Oil Capacity (Typical)

NOTE: These are the engine oil capacities
associated with a "deep standard" oil pan. The oil
capacity will vary dependant upon which optional oil
pan is used. Refer to the operation manual provided
by the driven machine manufacturer for the actual
engine oil capacity of your machine.
The following are the engine oil capacities for
various Yanmar engines.
Engine Model
4TNV98
4TNE98
Section 1. General Service Information
17
Dipstick Upper
Limit / Lower Limit
11.1 / 6.3 qt
(10.5 / 6.0 L)
9.7 / 7.6 qt
(9.2 / 7.2 L)