Checking Engine Oil
(1)
0006568
Figure 3
Note: 4BY2 series shown. 6BY2 is similar.
1. NOTICE: Prevent dirt and debris from
contaminating engine oil. Carefully
clean the dipstick and the surrounding
area before you remove the cap.Clean
area around dipstick.
2. Remove dipstick (Figure 3, (1)) and
wipe with clean cloth.
3. Fully reinsert dipstick.
4. Remove dipstick. The oil level should be
between upper (Figure 4, (1)) and
lower lines (Figure 4, (2)) on the
dipstick.
0003826
(1)
(2)
Figure 4
5. Fully reinsert dipstick.
Adding Engine Oil
0006565
(2)
(1)
Figure 5
Note: 4BY2 series shown. 6BY2 is similar.
1. Remove the oil filler port cap
(Figure 5, (2)) and pour engine oil into
filler port. See Engine Oil Specifications
2. Fill with oil to the upper limit on the
dipstick (Figure 4, (1)). NOTICE:
NEVER overfill the engine with engine
oil.
3. Fully insert the dipstick to check the
level. NOTICE: ALWAYS keep the oil
level between upper and lower lines on
the dipstick.
4. Tighten the fill port cap securely by
hand.
BEFORE YOU OPERATE
BY Series Operation Manual
29
© 2008 Yanmar Marine International
