Black plate (404,1)
The quality designation SM, or ILSAC
must be on the label.
5W-20
120 100 80
60 40
20
0 –20
50 40 30
20 10
0 –10
–20 –30
Use SAE 5W-30 engine oil (2.3-liter
engine).
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.
–30 –20 –10 0 10 20 30 40 50
–20 0 20 40 60 80 100 120
5W-30
Except U.S.A. and CANADA
(ILSAC)
8-20
Maintenance and Care
Owner Maintenance
CX-7_8AS7-EA-09E_Edition2 Page404
Friday, June 5 2009 2:26 PM
Form No.8AS7-EA-09E
Black plate (498,1)
Specifications
qEngine
ItemSpecification
2.3-liter engine 2.5-liter engine
Type DOHC-16V in-line, 4-cylinder
Bore × Stroke 87.5 × 94.0 mm (3.44 × 3.70 in) 89.0 × 100 mm (3.50 × 3.94 in)
Displacement 2,261 ml (2,261 cc, 138.0 cu in) 2,488 ml (2,488 cc, 151.8 cu in)
Compression ratio 9.5 9.7
qElectrical System
ItemClassification
2.3-liter engine 2.5-liter engine
Battery12V-48AH/5HR MF 12V-48AH/5HR MF
12V-55AH/5HR MF 12V-52AH/5HR MF
Spark-plug numberL3BD 18 110
*1LFG1 18 110*1
L3YD 18 110 L3Y2 18 110
Spark-plug gap 0.60―0.70 mm (0.024―0.027 in) 1.25―1.35 mm (0.049―0.053 in)
*1 ex factory
CAUTION
When cleaning the iridium plugs, do not use a wire brush. The fine particulate
coating on the iridium alloy and platinum tips could be damaged.
qLubricant Quality
Lubricant Classification
Engine oil Refer to the recommended SAE viscosity numbers on page 8-19.
Automatic transaxle
fluid5-speed
transaxleMazda Genuine ATF M-V
6-speed
transaxleMazda Genuine JWS3309
Transfer case oil API Service GL-5 (SAE 80W-90)
Rear differential oil API Service GL-5 (SAE 80W-90)
Power steering fluid Mazda Genuine ATF M-III, M-V, or equivalent (e.g. Dexron® II)
Brake fluid SAE J1703 or FMVSS116 DOT-3
10-4
Specifications
CX-7_8AS7-EA-09E_Edition2 Page498
Friday, June 5 2009 2:27 PM
Form No.8AS7-EA-09E
