T65 Series Vertical Shaft Engines
8
Oil type and capacity
The recommended oil for MTD engines is an SAE 10W-30 oil with an SM API rating or better. The oil capacity is
20 fl.oz (0.6 liters).
• Check the oil level daily, before starting the engine. Change the oil more frequently in severe operating
conditions such as high ambient temperature, dusty conditions, or high load use in exceptionally thick
grass.
• 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 cor-
rectly 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 petro-
leum based oil cannot.
• No oil additives or viscosity modifiers are recommended. The performance of a good oil meeting the API
specifications will not be improved by oil additives.
NOTE: Some oil additives may cause severe and non-warrantable engine damage, constituting a lubrication
failure.
NOTE: If the oil is noticeably thin, or smells of gasoline, a carburetor repair may be needed before the engine
can be run safely.
SAE 40
SAE 30
SAE 10W30/SAE 10W40
SAE 5W20
-4°F
14°F
32°F 50°F 68°F 86°F 104°F
-20°C
-10°C
0°C
10°C 20°C
30°C
40°C
Oil Chart
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