Yamaha YFM350S Owner's Manual page 266

1. Engine oil drain bolt
3. Compression spring
1. Boulon de vidange de l'huile moteur
2. Joint torique
3. Ressort de compression
4. Crépine à huile de moteur
1. Perno de drenaje del aceite de motor
2. Junta tórica
3. Muelle de compresión
4. Tamiz de aceite de motor
2. O-ring
4. Engine oil strainer
5. If the engine oil is at or below the minimum
level mark, add sufficient oil of the recom-
mended type to raise it to the correct level.
CAUTION:
_
Be sure no foreign material enters the crank-
case.
_
6. Insert the dipstick into the oil filler hole, and
then tighten the engine oil filler cap.
To change the engine oil (with or without oil fil-
ter element cleaning)
1. Place the ATV on a level surface.
2. Warm up the engine for several minutes, and
then turn it off.
3. Place a container under the engine to collect
the used oil.
4. Remove the engine oil filler cap, and then re-
move the engine oil drain bolt to drain the oil
from the crankcase.
CAUTION:
_
When removing the engine oil drain bolt, the
compression spring, oil strainer and O-ring
will fall out. Take care not to lose these parts.
_
8-17