C. Engine/transmission oil and filter
1. Oil level measurement
a. To check the level, warm the engine up
for several minutes. Stop the engine.
With the engine stopped, screw the dip
stick completely out and then rest the
stick in the hole.
When checking engine oil level with the
dip stick, position the machine straight up
and on main stand.
b. The dip stick has a minimum and a maximum
mark. The oil level should be
between the two. If the level is low, add
sufficient oil to raise it to the proper level.
2. Oil replacement and filter cleaning
a. Start the engine. Allow it to warm up for
2-3 minutes. Stop the engine.
b. Place an oil pan under the engine.
c. Remove the drain plugs and drain the oil.
d. Remove the filter cover and oil filter
e. Slip the filter element out and clean.
f. Install the filter and filter cover.
Filter torque: 7 ft-lb
g. Reinstall the drain plugs. (Make sure it is
Drain plug torque: 32 ft-lb
h. Add oil through the dip stick hole.
2.0 lit (2.1 qt): periodic oil change
2.5 lit (2.6 qt): engine overhauling
Yamalube 4-cycle oil or SAE
20W/40 type â€œSEâ€ motor oil
The two drain plugs underneath are hard to miss. They are 27mm if I remember correctly. Just look and you'll see them.