Yamaha XT660R Owner's Manual page 49

WARNING
Never remove the engine oil tank
cap after high-speed operation, oth-
erwise hot engine oil could spout
out and cause damage or injury. Al-
ways let the engine oil cool down
sufficiently before removing the oil
tank cap.
4. If the engine oil is below the mini-
mum level mark, add sufficient oil
of the recommended type to raise
it to the correct level.
5. Install the oil filler cap.
To change the engine oil (with or
without oil filter element replace-
ment)
1. Start the engine, warm it up for
several minutes, and then turn it
off.
2. Install the engine oil drain attach-
ment, provided with the owner's
tool kit, under the drain bolt of the
crankcase.
PERIODIC MAINTENANCE AND MINOR REPAIR
EWA10360
1. Engine oil drain bolt (crankcase)
2. Engine oil drain attachment
3. Place an oil pan under the engine
to collect the used oil.
4. Remove the engine oil filler cap
and the drain bolt to drain the oil
from the crankcase.
5. Remove the drain bolt to drain the
oil from the oil tank.
1. Engine oil drain bolt (oil tank)
6. Remove the oil filter element drain
NOTE:
Skip steps 7–9 if the oil filter element is
not being replaced.
7. Remove the oil filter element cover
6-11
bolt to drain the oil from the oil filter
element.
by removing the bolts.
6