LUBRICATION
37
Oil type and quantity
Use a quality motor oil certified to meet or exceed
American Petroleum Institute (A.P.I.) requirements for
service classification SF/SG. Motor oils classified SF/
SG will show this designation on the container.
• SAE 5W-30 oil with a SF/SG API rating or better
is the recommended oil for this engine.
• The oil capacity is 33 - 37 fl.oz (0.9 - 1.1 liters).
• If the oil is noticeably thin, or smells of gasoline,
a carburetor repair may be needed before the
engine can be run safely.
• Check the oil level frequently and change the oil
more frequently in severe operating conditions
such as exceptionally deep snow falls.
• Synthetic oil is a suitable alternative, but it does
not extend service intervals.
NOTE: MTD recommends the use of petroleum
oil during the break in period to ensure the piston
rings correctly break in.
Synthetic vs. Petroleum based oil: To simply look at
synthetic oil and to compare it with Petroleum based oil
there is very little difference. However, when you look
at the two through a microscope it is easy to see the
difference. Synthetic is made up of smaller molecules.
This allows the oil to get into areas that petroleum
based oil cannot.
Oil dip stick
To check the oil level:
NOTE: Be sure to check the engine on a level
surface with the engine stopped.
1. Remove the oil filler cap and wipe the dipstick
clean.
2. Insert the dipstick into the engine block, but do
not screw it in.
See Figure 5.1.
3. Pull the dip stick out again and read the oil level.
See Figure 5.2.
4. If the level is low, slowly add oil until it reaches
the upper limit on the dipstick.
Figure 5.1
Dip stick
Figure 5.2
upper limit
lower limit
CHAPTER 5: LUBRICATION
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