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Engine Oil
CAUTION
Do not use either synthetic or semi-
synthetic motor oil. Otherwise engine
starting performance could worsen.
NOTE
l
Changing the engine oil should be done by
an Authorized Mazda Dealer.
l
The Mazda RX-8 requires regular checking
of the engine oil level. The compact, high
performance RENESIS rotary engine in
your vehicle consumes a small amount of
engine oil due to its structural design. An
oil pump optimizes the amount of oil
injected to lubricate the rotor seals in the
combustion cycle. Although your vehicle is
equipped with an engine oil level warning
light and an engine oil pressure gauge, it is
best to keep the engine oil level in the range
between full and low by checking the oil
dipstick regularly. Mazda recommends
checking the oil level at every second fuel
filling. The oil consumption of the engine
depends on engine speed and engine load.
Under extreme driving conditions, oil
consumption can be higher.
qRecommended Oil
Use SAE 5W-20 engine oil.
Oil container labels provide important
information.
A chief contribution this type of oil makes
to fuel economy is reducing the amount of
fuel necessary to overcome engine
friction.
U.S.A. and CANADA
(ILSAC)
Only use oils “Certified For Gasoline
Engines” by the American Petroleum
Institute (API). An oil with this trademark
symbol conforms to the current engine
and emission system protection standards
and fuel economy requirements of the
International Lubricant Standardization
and Approval Committee (ILSAC),
comprised of U.S. and Japanese
automobile manufacturers.
5W-20
120
100
80
60
40
20
0
–20
5040
30
20
10
0
–10
–20
–30
Maintenance andCare
Owner Maintenance
8-11
RX-8_8X44-EA-07G_Edition1 Page281
Friday, May 11 2007 5:5 PM
Form No.8X44-EA-07G