Yamaha YFM70RSEW Owner's Manual page 97

To check the engine oil level
1. Place the ATV on a level surface.
2. Start the engine, warm it up until the engine oil
has reached a normal temperature of 60 °C
(141 °F), let it continue to idle for ten seconds
or more, and then turn the engine off.
NOTE:
To achieve the proper engine oil temperature for
an accurate oil level reading, the engine must have
first completely cooled down, and then warmed up
again for several minutes to normal operating tem-
perature.
3. Remove the engine oil tank filler cap, wipe the
dipstick off with a clean rag.
4. Insert the dipstick in the filler hole (without
screwing it in), and then remove it again to
check the oil level.
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1. Engine oil tank
2. Engine oil filler cap
3. Dipstick
4. Maximum level mark
5. Minimum level mark
NOTE:
The engine oil should be between the minimum
and maximum level marks.
5. If the engine oil is at or below the minimum
level mark, add sufficient oil of the recom-
mended type through the engine oil tank filler
hole to raise it to the correct level.
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