Yamaha YFM250 Owner's Manual page 91

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 replacement)
1. Place the ATV on a level surface.
2. Start the engine, warm it up for several min-
utes, and then turn it off.
3. Place an oil pan under the engine to collect
the used oil.
4. Remove the engine oil filler cap, and then re-
move the engine oil drain bolt and its gasket to
drain the oil from the crankcase.
1. Engine oil drain bolt
2. Gasket
TIP
Skip steps 5–7 if the oil filter element is not being
replaced.
5. Remove the oil filter element cover by remov-
ing the bolts, and then remove the oil filter el-
ement and the O-rings.
2
1. Oil filter element cover
2. Bolt
1
8-12
2
1
8