compression ratio MAZDA MODEL MX-5 MIATA 2003 Owners Manual

10-4
Form No. 8R09-EA-02G
Specifications

Engine

Electrical System

Lubricant Quality
*Refer to the recommended SAE viscosity numbers on page 8-13 .
Specifications
Item
Model
Type DOHC-16V in-line, 4-cylinder
Bore ×Stroke 83×85mm (3.3 ×3.4 in)
Displacement 1,840 ml (1,840 cc, 112.2 cu in)
Compression ratio 10.0:1
Item Model
Battery Maintenance-free, 12V-32AH/5HR
Alternator 12V-80 A
Starter 12V-1.0 kW
Spark-plug number NGK
BKR5E11, BKR6E11
DENSO K16PR-U11, K20PR-U11
Spark-plug gap 1.0—1.1 mm (0.040 —0.043 in)
Lubricant Classification
API Service ILSAC
Engine oil
*
SG (Energy Conserving II) —
SH (Energy Conserving II) GF-I SJ GF-II
SL GF-III
Lubricant Classification
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 ATF M-III or equivalent (e.g. Dexron ® III)
Rear differential oil API Service GL-5
SAE 90
Power steering fluid ATF M-III or equivalent (e.g. Dexron ® III)
Brake/Clutch fluid SAE J1703 or FMVSS116 DOT-3
J07R_8R09_EA_02G_Edition4.book Page 4 Monday, February 3, 2003 1:16 PM