Black plate (283,1)
Engine Oil
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
Except U.S.A. and CANADA
(ILSAC)
Maintenance and Care
Owner Maintenance
8-15
MX-5_8U35-EA-05F_Edition4 Page283
Thursday, October 6 2005 11:5 AM
Form No.8U35-EA-05F
Black plate (368,1)
Specifications
qEngine
Item Specification
Type DOHC-16V in-line, 4-cylinder
Bore×Stroke 87.5 × 83.1 mm (3.44 × 3.27 in)
Displacement 1,999 ml (1,999 cc, 122.0 cu in)
Compression ratio 10.8
qElectrical System
Item Model
Battery 12V-36AH/5HR
Alternator 12 V - 100 A
Starter 12 V - 1.4 kW
Spark-plug number L3G2 18 110
*1, L3Y1 18 110
Spark-plug gap 1.25 ―1.35mm (0.050 ―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.
q Lubricant Quality
Lubricant type and classification
Engine oil Refer to the recommended SAE viscosity numbers on page 8-15.
Manual transmission oil Any temperature
API Service GL-4 or GL-5
SAE 75W-90
Above 10°C (50°F) API Service GL-4 or GL-5
SAE 80W-90
Automatic transmission fluid JWS3309
Power steering fluid ATF M-III or equivalent (e.g. Dexron® II)
Brake/Clutch fluid SAE J1703 or FMVSS116 DOT-3
Rear differential oil API Service GL-5
SAE
90
80W-90
75W-90
*
* Not available from Mazda
10-4
Specifications
MX-5_8U35-EA-05F_Edition4 Page368
Thursday, October 6 2005 11:6 AM
Form No.8U35-EA-05F