Yamaha TT-R90 2006 Owner's Manual page 47

To change the engine oil
1. Start the engine, warm it up for
several minutes, and then turn it
off.
2. Place an oil pan under the engine
to collect the used oil.
3. Remove the engine oil filler cap
and drain bolt to drain the oil from
the crankcase.
1. Engine oil drain bolt
4. Install the engine oil drain bolt, and
then tighten it to the specified
torque.
Tightening torque:
Engine oil drain bolt:
20 Nm (2.0 m·kgf, 14 ft·lbf)
PERIODIC MAINTENANCE AND MINOR REPAIR
5. Add the specified amount of the
recommended engine oil, and then
install and tighten the engine oil fill-
er cap.
Recommended engine oil:
See page 8-1.
Oil change quantity:
0.80 L (0.85 US qt) (0.70 Imp.qt)
CAUTION:
G In order to prevent clutch slip-
page (since the engine oil also
lubricates the clutch), do not
mix any chemical additives. Do
not use oils with a diesel speci-
fication of "CD" or oils of a high-
er quality than specified. In
addition, do not use oils labeled
"ENERGY CONSERVING II" or
higher.
G
Make sure that no foreign mate-
rial enters the crankcase.
6. Start the engine, and then let it idle
for several minutes while checking
it for oil leakage. If oil is leaking, im-
mediately turn the engine off and
check for the cause.
6-9
7. Turn the engine off, and then
check the oil level and correct it if
necessary.
ECA11620
6